{"items":[{"id":"NVI-00003773","kind":"vulnerability","title":"Symfony has an Argument Injection in SendmailTransport via Dash-Prefixed Recipient Address","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-xx3c-qf5g-hc39","CVE-2026-45068"],"plain_summary":"OSV carries this publisher advisory for symfony/mailer, symfony/symfony, symfony/mailer, symfony/mailer, symfony/mailer. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 5.4.52 for symfony/mailer. Confirm the publisher’s latest guidance.","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 5.4.52 for symfony/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 6.4.40 for symfony/mailer. Confirm the publisher’s latest guidance.","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 7.4.12 for symfony/mailer. Confirm the publisher’s latest guidance.","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 8.0.12 for symfony/mailer. Confirm the publisher’s latest guidance.","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 6.4.40 for symfony/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 7.4.12 for symfony/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 8.0.12 for symfony/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-27eed947b3de1225577bd48f7902d6d7"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-07-15T14:18:10.947Z","value":"7.5 HIGH (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-2d688cec9135ccaf7053274f62dcb8e1"},{"kind":"CVSS","as_of":"2026-07-15T14:18:10.947Z","value":"8.7 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-2d688cec9135ccaf7053274f62dcb8e1"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.524%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.44468. Missing scores are unknown.","source_id":"sr-27eed947b3de1225577bd48f7902d6d7"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-4a78ff80050d1b61e56deff6f066ef8d","url":"https://github.com/advisories/GHSA-xx3c-qf5g-hc39","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-xx3c-qf5g-hc39","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:51.450Z"},{"id":"sr-2d688cec9135ccaf7053274f62dcb8e1","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45068","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-45068","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:11.754Z"},{"id":"sr-27eed947b3de1225577bd48f7902d6d7","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-45068","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.854Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"technology":"symfony/mailer","known_exclusions":[],"conditions_summary":"### Description\n\nSymfony Mailer selects a transport via the `MAILER_DSN` environment variable / configuration (e.g. `smtp://...`, `sendmail://...`, `native://default`). `SendmailTransport` invokes the local `sendmail` binary and supports two modes: `-bs` (speak SMTP over stdin: the default) and `-t` (read the message on stdin, pass recipients as command-line arguments).\n\nIn `-t` mode, recipient addresses are appended to the sendmail command line **without a `--` end-of-options separator**. A recipient address beginning with `-` (which `Symfony\\Component\\Mime\\Address` accepts as valid) is therefore interpreted by sendmail as a command-line option rather than an address.\n\n### Resolution\n\nThe `SendmailTransport` transport now ensure `--` is set before the list of recipients.\n\nThe patch for this issue is available here for branch 5.4.\n\n### Credits\n\nSymfony would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.4.52"]},{"certainty":"source_listed","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"technology":"symfony/symfony","known_exclusions":[],"conditions_summary":"### Description\n\nSymfony Mailer selects a transport via the `MAILER_DSN` environment variable / configuration (e.g. `smtp://...`, `sendmail://...`, `native://default`). `SendmailTransport` invokes the local `sendmail` binary and supports two modes: `-bs` (speak SMTP over stdin: the default) and `-t` (read the message on stdin, pass recipients as command-line arguments).\n\nIn `-t` mode, recipient addresses are appended to the sendmail command line **without a `--` end-of-options separator**. A recipient address beginning with `-` (which `Symfony\\Component\\Mime\\Address` accepts as valid) is therefore interpreted by sendmail as a command-line option rather than an address.\n\n### Resolution\n\nThe `SendmailTransport` transport now ensure `--` is set before the list of recipients.\n\nThe patch for this issue is available here for branch 5.4.\n\n### Credits\n\nSymfony would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.4.52"]},{"certainty":"source_listed","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"technology":"symfony/mailer","known_exclusions":[],"conditions_summary":"### Description\n\nSymfony Mailer selects a transport via the `MAILER_DSN` environment variable / configuration (e.g. `smtp://...`, `sendmail://...`, `native://default`). `SendmailTransport` invokes the local `sendmail` binary and supports two modes: `-bs` (speak SMTP over stdin: the default) and `-t` (read the message on stdin, pass recipients as command-line arguments).\n\nIn `-t` mode, recipient addresses are appended to the sendmail command line **without a `--` end-of-options separator**. A recipient address beginning with `-` (which `Symfony\\Component\\Mime\\Address` accepts as valid) is therefore interpreted by sendmail as a command-line option rather than an address.\n\n### Resolution\n\nThe `SendmailTransport` transport now ensure `--` is set before the list of recipients.\n\nThe patch for this issue is available here for branch 5.4.\n\n### Credits\n\nSymfony would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.","public_affected_ranges":["ECOSYSTEM: introduced 6.0.0; fixed 6.4.40"]},{"certainty":"source_listed","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"technology":"symfony/mailer","known_exclusions":[],"conditions_summary":"### Description\n\nSymfony Mailer selects a transport via the `MAILER_DSN` environment variable / configuration (e.g. `smtp://...`, `sendmail://...`, `native://default`). `SendmailTransport` invokes the local `sendmail` binary and supports two modes: `-bs` (speak SMTP over stdin: the default) and `-t` (read the message on stdin, pass recipients as command-line arguments).\n\nIn `-t` mode, recipient addresses are appended to the sendmail command line **without a `--` end-of-options separator**. A recipient address beginning with `-` (which `Symfony\\Component\\Mime\\Address` accepts as valid) is therefore interpreted by sendmail as a command-line option rather than an address.\n\n### Resolution\n\nThe `SendmailTransport` transport now ensure `--` is set before the list of recipients.\n\nThe patch for this issue is available here for branch 5.4.\n\n### Credits\n\nSymfony would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.","public_affected_ranges":["ECOSYSTEM: introduced 7.0.0; fixed 7.4.12"]},{"certainty":"source_listed","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"technology":"symfony/mailer","known_exclusions":[],"conditions_summary":"### Description\n\nSymfony Mailer selects a transport via the `MAILER_DSN` environment variable / configuration (e.g. `smtp://...`, `sendmail://...`, `native://default`). `SendmailTransport` invokes the local `sendmail` binary and supports two modes: `-bs` (speak SMTP over stdin: the default) and `-t` (read the message on stdin, pass recipients as command-line arguments).\n\nIn `-t` mode, recipient addresses are appended to the sendmail command line **without a `--` end-of-options separator**. A recipient address beginning with `-` (which `Symfony\\Component\\Mime\\Address` accepts as valid) is therefore interpreted by sendmail as a command-line option rather than an address.\n\n### Resolution\n\nThe `SendmailTransport` transport now ensure `--` is set before the list of recipients.\n\nThe patch for this issue is available here for branch 5.4.\n\n### Credits\n\nSymfony would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.","public_affected_ranges":["ECOSYSTEM: introduced 8.0.0; fixed 8.0.12"]},{"certainty":"source_listed","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"technology":"symfony/symfony","known_exclusions":[],"conditions_summary":"### Description\n\nSymfony Mailer selects a transport via the `MAILER_DSN` environment variable / configuration (e.g. `smtp://...`, `sendmail://...`, `native://default`). `SendmailTransport` invokes the local `sendmail` binary and supports two modes: `-bs` (speak SMTP over stdin: the default) and `-t` (read the message on stdin, pass recipients as command-line arguments).\n\nIn `-t` mode, recipient addresses are appended to the sendmail command line **without a `--` end-of-options separator**. A recipient address beginning with `-` (which `Symfony\\Component\\Mime\\Address` accepts as valid) is therefore interpreted by sendmail as a command-line option rather than an address.\n\n### Resolution\n\nThe `SendmailTransport` transport now ensure `--` is set before the list of recipients.\n\nThe patch for this issue is available here for branch 5.4.\n\n### Credits\n\nSymfony would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.","public_affected_ranges":["ECOSYSTEM: introduced 6.0.0; fixed 6.4.40"]},{"certainty":"source_listed","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"technology":"symfony/symfony","known_exclusions":[],"conditions_summary":"### Description\n\nSymfony Mailer selects a transport via the `MAILER_DSN` environment variable / configuration (e.g. `smtp://...`, `sendmail://...`, `native://default`). `SendmailTransport` invokes the local `sendmail` binary and supports two modes: `-bs` (speak SMTP over stdin: the default) and `-t` (read the message on stdin, pass recipients as command-line arguments).\n\nIn `-t` mode, recipient addresses are appended to the sendmail command line **without a `--` end-of-options separator**. A recipient address beginning with `-` (which `Symfony\\Component\\Mime\\Address` accepts as valid) is therefore interpreted by sendmail as a command-line option rather than an address.\n\n### Resolution\n\nThe `SendmailTransport` transport now ensure `--` is set before the list of recipients.\n\nThe patch for this issue is available here for branch 5.4.\n\n### Credits\n\nSymfony would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.","public_affected_ranges":["ECOSYSTEM: introduced 7.0.0; fixed 7.4.12"]},{"certainty":"source_listed","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"technology":"symfony/symfony","known_exclusions":[],"conditions_summary":"### Description\n\nSymfony Mailer selects a transport via the `MAILER_DSN` environment variable / configuration (e.g. `smtp://...`, `sendmail://...`, `native://default`). `SendmailTransport` invokes the local `sendmail` binary and supports two modes: `-bs` (speak SMTP over stdin: the default) and `-t` (read the message on stdin, pass recipients as command-line arguments).\n\nIn `-t` mode, recipient addresses are appended to the sendmail command line **without a `--` end-of-options separator**. A recipient address beginning with `-` (which `Symfony\\Component\\Mime\\Address` accepts as valid) is therefore interpreted by sendmail as a command-line option rather than an address.\n\n### Resolution\n\nThe `SendmailTransport` transport now ensure `--` is set before the list of recipients.\n\nThe patch for this issue is available here for branch 5.4.\n\n### Credits\n\nSymfony would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.","public_affected_ranges":["ECOSYSTEM: introduced 8.0.0; fixed 8.0.12"]}],"null_published_at":"2026-11-08T19:53:38.894Z","source_updated_at":"2026-09-10T03:51:07.456Z","source_disclosed_at":"2026-05-27T20:46:05.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:51.450Z"},{"id":"NVI-00003773","kind":"vulnerability","title":"Symfony has an Argument Injection in SendmailTransport via Dash-Prefixed Recipient Address","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-xx3c-qf5g-hc39","CVE-2026-45068"],"plain_summary":"OSV carries this publisher advisory for symfony/mailer, symfony/symfony, symfony/mailer, symfony/mailer, symfony/mailer. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 5.4.52 for symfony/mailer. Confirm the publisher’s latest guidance.","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 5.4.52 for symfony/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 6.4.40 for symfony/mailer. Confirm the publisher’s latest guidance.","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 7.4.12 for symfony/mailer. Confirm the publisher’s latest guidance.","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 8.0.12 for symfony/mailer. Confirm the publisher’s latest guidance.","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 6.4.40 for symfony/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 7.4.12 for symfony/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 8.0.12 for symfony/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-2d688cec9135ccaf7053274f62dcb8e1"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-07-15T14:18:10.947Z","value":"7.5 HIGH (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-2d688cec9135ccaf7053274f62dcb8e1"},{"kind":"CVSS","as_of":"2026-07-15T14:18:10.947Z","value":"8.7 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-2d688cec9135ccaf7053274f62dcb8e1"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-4a78ff80050d1b61e56deff6f066ef8d","url":"https://github.com/advisories/GHSA-xx3c-qf5g-hc39","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-xx3c-qf5g-hc39","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:51.450Z"},{"id":"sr-2d688cec9135ccaf7053274f62dcb8e1","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45068","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-45068","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:11.754Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"technology":"symfony/mailer","known_exclusions":[],"conditions_summary":"### Description\n\nSymfony Mailer selects a transport via the `MAILER_DSN` environment variable / configuration (e.g. `smtp://...`, `sendmail://...`, `native://default`). `SendmailTransport` invokes the local `sendmail` binary and supports two modes: `-bs` (speak SMTP over stdin: the default) and `-t` (read the message on stdin, pass recipients as command-line arguments).\n\nIn `-t` mode, recipient addresses are appended to the sendmail command line **without a `--` end-of-options separator**. A recipient address beginning with `-` (which `Symfony\\Component\\Mime\\Address` accepts as valid) is therefore interpreted by sendmail as a command-line option rather than an address.\n\n### Resolution\n\nThe `SendmailTransport` transport now ensure `--` is set before the list of recipients.\n\nThe patch for this issue is available here for branch 5.4.\n\n### Credits\n\nSymfony would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.4.52"]},{"certainty":"source_listed","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"technology":"symfony/symfony","known_exclusions":[],"conditions_summary":"### Description\n\nSymfony Mailer selects a transport via the `MAILER_DSN` environment variable / configuration (e.g. `smtp://...`, `sendmail://...`, `native://default`). `SendmailTransport` invokes the local `sendmail` binary and supports two modes: `-bs` (speak SMTP over stdin: the default) and `-t` (read the message on stdin, pass recipients as command-line arguments).\n\nIn `-t` mode, recipient addresses are appended to the sendmail command line **without a `--` end-of-options separator**. A recipient address beginning with `-` (which `Symfony\\Component\\Mime\\Address` accepts as valid) is therefore interpreted by sendmail as a command-line option rather than an address.\n\n### Resolution\n\nThe `SendmailTransport` transport now ensure `--` is set before the list of recipients.\n\nThe patch for this issue is available here for branch 5.4.\n\n### Credits\n\nSymfony would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.4.52"]},{"certainty":"source_listed","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"technology":"symfony/mailer","known_exclusions":[],"conditions_summary":"### Description\n\nSymfony Mailer selects a transport via the `MAILER_DSN` environment variable / configuration (e.g. `smtp://...`, `sendmail://...`, `native://default`). `SendmailTransport` invokes the local `sendmail` binary and supports two modes: `-bs` (speak SMTP over stdin: the default) and `-t` (read the message on stdin, pass recipients as command-line arguments).\n\nIn `-t` mode, recipient addresses are appended to the sendmail command line **without a `--` end-of-options separator**. A recipient address beginning with `-` (which `Symfony\\Component\\Mime\\Address` accepts as valid) is therefore interpreted by sendmail as a command-line option rather than an address.\n\n### Resolution\n\nThe `SendmailTransport` transport now ensure `--` is set before the list of recipients.\n\nThe patch for this issue is available here for branch 5.4.\n\n### Credits\n\nSymfony would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.","public_affected_ranges":["ECOSYSTEM: introduced 6.0.0; fixed 6.4.40"]},{"certainty":"source_listed","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"technology":"symfony/mailer","known_exclusions":[],"conditions_summary":"### Description\n\nSymfony Mailer selects a transport via the `MAILER_DSN` environment variable / configuration (e.g. `smtp://...`, `sendmail://...`, `native://default`). `SendmailTransport` invokes the local `sendmail` binary and supports two modes: `-bs` (speak SMTP over stdin: the default) and `-t` (read the message on stdin, pass recipients as command-line arguments).\n\nIn `-t` mode, recipient addresses are appended to the sendmail command line **without a `--` end-of-options separator**. A recipient address beginning with `-` (which `Symfony\\Component\\Mime\\Address` accepts as valid) is therefore interpreted by sendmail as a command-line option rather than an address.\n\n### Resolution\n\nThe `SendmailTransport` transport now ensure `--` is set before the list of recipients.\n\nThe patch for this issue is available here for branch 5.4.\n\n### Credits\n\nSymfony would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.","public_affected_ranges":["ECOSYSTEM: introduced 7.0.0; fixed 7.4.12"]},{"certainty":"source_listed","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"technology":"symfony/mailer","known_exclusions":[],"conditions_summary":"### Description\n\nSymfony Mailer selects a transport via the `MAILER_DSN` environment variable / configuration (e.g. `smtp://...`, `sendmail://...`, `native://default`). `SendmailTransport` invokes the local `sendmail` binary and supports two modes: `-bs` (speak SMTP over stdin: the default) and `-t` (read the message on stdin, pass recipients as command-line arguments).\n\nIn `-t` mode, recipient addresses are appended to the sendmail command line **without a `--` end-of-options separator**. A recipient address beginning with `-` (which `Symfony\\Component\\Mime\\Address` accepts as valid) is therefore interpreted by sendmail as a command-line option rather than an address.\n\n### Resolution\n\nThe `SendmailTransport` transport now ensure `--` is set before the list of recipients.\n\nThe patch for this issue is available here for branch 5.4.\n\n### Credits\n\nSymfony would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.","public_affected_ranges":["ECOSYSTEM: introduced 8.0.0; fixed 8.0.12"]},{"certainty":"source_listed","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"technology":"symfony/symfony","known_exclusions":[],"conditions_summary":"### Description\n\nSymfony Mailer selects a transport via the `MAILER_DSN` environment variable / configuration (e.g. `smtp://...`, `sendmail://...`, `native://default`). `SendmailTransport` invokes the local `sendmail` binary and supports two modes: `-bs` (speak SMTP over stdin: the default) and `-t` (read the message on stdin, pass recipients as command-line arguments).\n\nIn `-t` mode, recipient addresses are appended to the sendmail command line **without a `--` end-of-options separator**. A recipient address beginning with `-` (which `Symfony\\Component\\Mime\\Address` accepts as valid) is therefore interpreted by sendmail as a command-line option rather than an address.\n\n### Resolution\n\nThe `SendmailTransport` transport now ensure `--` is set before the list of recipients.\n\nThe patch for this issue is available here for branch 5.4.\n\n### Credits\n\nSymfony would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.","public_affected_ranges":["ECOSYSTEM: introduced 6.0.0; fixed 6.4.40"]},{"certainty":"source_listed","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"technology":"symfony/symfony","known_exclusions":[],"conditions_summary":"### Description\n\nSymfony Mailer selects a transport via the `MAILER_DSN` environment variable / configuration (e.g. `smtp://...`, `sendmail://...`, `native://default`). `SendmailTransport` invokes the local `sendmail` binary and supports two modes: `-bs` (speak SMTP over stdin: the default) and `-t` (read the message on stdin, pass recipients as command-line arguments).\n\nIn `-t` mode, recipient addresses are appended to the sendmail command line **without a `--` end-of-options separator**. A recipient address beginning with `-` (which `Symfony\\Component\\Mime\\Address` accepts as valid) is therefore interpreted by sendmail as a command-line option rather than an address.\n\n### Resolution\n\nThe `SendmailTransport` transport now ensure `--` is set before the list of recipients.\n\nThe patch for this issue is available here for branch 5.4.\n\n### Credits\n\nSymfony would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.","public_affected_ranges":["ECOSYSTEM: introduced 7.0.0; fixed 7.4.12"]},{"certainty":"source_listed","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"technology":"symfony/symfony","known_exclusions":[],"conditions_summary":"### Description\n\nSymfony Mailer selects a transport via the `MAILER_DSN` environment variable / configuration (e.g. `smtp://...`, `sendmail://...`, `native://default`). `SendmailTransport` invokes the local `sendmail` binary and supports two modes: `-bs` (speak SMTP over stdin: the default) and `-t` (read the message on stdin, pass recipients as command-line arguments).\n\nIn `-t` mode, recipient addresses are appended to the sendmail command line **without a `--` end-of-options separator**. A recipient address beginning with `-` (which `Symfony\\Component\\Mime\\Address` accepts as valid) is therefore interpreted by sendmail as a command-line option rather than an address.\n\n### Resolution\n\nThe `SendmailTransport` transport now ensure `--` is set before the list of recipients.\n\nThe patch for this issue is available here for branch 5.4.\n\n### Credits\n\nSymfony would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.","public_affected_ranges":["ECOSYSTEM: introduced 8.0.0; fixed 8.0.12"]}],"null_published_at":"2026-11-01T14:34:07.609Z","source_updated_at":"2026-09-10T03:51:07.456Z","source_disclosed_at":"2026-05-27T20:46:05.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:51.450Z"},{"id":"NVI-00003773","kind":"vulnerability","title":"Symfony has an Argument Injection in SendmailTransport via Dash-Prefixed Recipient Address","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-xx3c-qf5g-hc39","CVE-2026-45068"],"plain_summary":"OSV carries this publisher advisory for symfony/mailer, symfony/symfony, symfony/mailer, symfony/mailer, symfony/mailer. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 5.4.52 for symfony/mailer. Confirm the publisher’s latest guidance.","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 5.4.52 for symfony/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 6.4.40 for symfony/mailer. Confirm the publisher’s latest guidance.","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 7.4.12 for symfony/mailer. Confirm the publisher’s latest guidance.","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 8.0.12 for symfony/mailer. Confirm the publisher’s latest guidance.","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 6.4.40 for symfony/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 7.4.12 for symfony/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 8.0.12 for symfony/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-4a78ff80050d1b61e56deff6f066ef8d","url":"https://github.com/advisories/GHSA-xx3c-qf5g-hc39","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-xx3c-qf5g-hc39","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:51.450Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"technology":"symfony/mailer","known_exclusions":[],"conditions_summary":"### Description\n\nSymfony Mailer selects a transport via the `MAILER_DSN` environment variable / configuration (e.g. `smtp://...`, `sendmail://...`, `native://default`). `SendmailTransport` invokes the local `sendmail` binary and supports two modes: `-bs` (speak SMTP over stdin: the default) and `-t` (read the message on stdin, pass recipients as command-line arguments).\n\nIn `-t` mode, recipient addresses are appended to the sendmail command line **without a `--` end-of-options separator**. A recipient address beginning with `-` (which `Symfony\\Component\\Mime\\Address` accepts as valid) is therefore interpreted by sendmail as a command-line option rather than an address.\n\n### Resolution\n\nThe `SendmailTransport` transport now ensure `--` is set before the list of recipients.\n\nThe patch for this issue is available here for branch 5.4.\n\n### Credits\n\nSymfony would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.4.52"]},{"certainty":"source_listed","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"technology":"symfony/symfony","known_exclusions":[],"conditions_summary":"### Description\n\nSymfony Mailer selects a transport via the `MAILER_DSN` environment variable / configuration (e.g. `smtp://...`, `sendmail://...`, `native://default`). `SendmailTransport` invokes the local `sendmail` binary and supports two modes: `-bs` (speak SMTP over stdin: the default) and `-t` (read the message on stdin, pass recipients as command-line arguments).\n\nIn `-t` mode, recipient addresses are appended to the sendmail command line **without a `--` end-of-options separator**. A recipient address beginning with `-` (which `Symfony\\Component\\Mime\\Address` accepts as valid) is therefore interpreted by sendmail as a command-line option rather than an address.\n\n### Resolution\n\nThe `SendmailTransport` transport now ensure `--` is set before the list of recipients.\n\nThe patch for this issue is available here for branch 5.4.\n\n### Credits\n\nSymfony would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.4.52"]},{"certainty":"source_listed","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"technology":"symfony/mailer","known_exclusions":[],"conditions_summary":"### Description\n\nSymfony Mailer selects a transport via the `MAILER_DSN` environment variable / configuration (e.g. `smtp://...`, `sendmail://...`, `native://default`). `SendmailTransport` invokes the local `sendmail` binary and supports two modes: `-bs` (speak SMTP over stdin: the default) and `-t` (read the message on stdin, pass recipients as command-line arguments).\n\nIn `-t` mode, recipient addresses are appended to the sendmail command line **without a `--` end-of-options separator**. A recipient address beginning with `-` (which `Symfony\\Component\\Mime\\Address` accepts as valid) is therefore interpreted by sendmail as a command-line option rather than an address.\n\n### Resolution\n\nThe `SendmailTransport` transport now ensure `--` is set before the list of recipients.\n\nThe patch for this issue is available here for branch 5.4.\n\n### Credits\n\nSymfony would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.","public_affected_ranges":["ECOSYSTEM: introduced 6.0.0; fixed 6.4.40"]},{"certainty":"source_listed","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"technology":"symfony/mailer","known_exclusions":[],"conditions_summary":"### Description\n\nSymfony Mailer selects a transport via the `MAILER_DSN` environment variable / configuration (e.g. `smtp://...`, `sendmail://...`, `native://default`). `SendmailTransport` invokes the local `sendmail` binary and supports two modes: `-bs` (speak SMTP over stdin: the default) and `-t` (read the message on stdin, pass recipients as command-line arguments).\n\nIn `-t` mode, recipient addresses are appended to the sendmail command line **without a `--` end-of-options separator**. A recipient address beginning with `-` (which `Symfony\\Component\\Mime\\Address` accepts as valid) is therefore interpreted by sendmail as a command-line option rather than an address.\n\n### Resolution\n\nThe `SendmailTransport` transport now ensure `--` is set before the list of recipients.\n\nThe patch for this issue is available here for branch 5.4.\n\n### Credits\n\nSymfony would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.","public_affected_ranges":["ECOSYSTEM: introduced 7.0.0; fixed 7.4.12"]},{"certainty":"source_listed","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"technology":"symfony/mailer","known_exclusions":[],"conditions_summary":"### Description\n\nSymfony Mailer selects a transport via the `MAILER_DSN` environment variable / configuration (e.g. `smtp://...`, `sendmail://...`, `native://default`). `SendmailTransport` invokes the local `sendmail` binary and supports two modes: `-bs` (speak SMTP over stdin: the default) and `-t` (read the message on stdin, pass recipients as command-line arguments).\n\nIn `-t` mode, recipient addresses are appended to the sendmail command line **without a `--` end-of-options separator**. A recipient address beginning with `-` (which `Symfony\\Component\\Mime\\Address` accepts as valid) is therefore interpreted by sendmail as a command-line option rather than an address.\n\n### Resolution\n\nThe `SendmailTransport` transport now ensure `--` is set before the list of recipients.\n\nThe patch for this issue is available here for branch 5.4.\n\n### Credits\n\nSymfony would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.","public_affected_ranges":["ECOSYSTEM: introduced 8.0.0; fixed 8.0.12"]},{"certainty":"source_listed","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"technology":"symfony/symfony","known_exclusions":[],"conditions_summary":"### Description\n\nSymfony Mailer selects a transport via the `MAILER_DSN` environment variable / configuration (e.g. `smtp://...`, `sendmail://...`, `native://default`). `SendmailTransport` invokes the local `sendmail` binary and supports two modes: `-bs` (speak SMTP over stdin: the default) and `-t` (read the message on stdin, pass recipients as command-line arguments).\n\nIn `-t` mode, recipient addresses are appended to the sendmail command line **without a `--` end-of-options separator**. A recipient address beginning with `-` (which `Symfony\\Component\\Mime\\Address` accepts as valid) is therefore interpreted by sendmail as a command-line option rather than an address.\n\n### Resolution\n\nThe `SendmailTransport` transport now ensure `--` is set before the list of recipients.\n\nThe patch for this issue is available here for branch 5.4.\n\n### Credits\n\nSymfony would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.","public_affected_ranges":["ECOSYSTEM: introduced 6.0.0; fixed 6.4.40"]},{"certainty":"source_listed","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"technology":"symfony/symfony","known_exclusions":[],"conditions_summary":"### Description\n\nSymfony Mailer selects a transport via the `MAILER_DSN` environment variable / configuration (e.g. `smtp://...`, `sendmail://...`, `native://default`). `SendmailTransport` invokes the local `sendmail` binary and supports two modes: `-bs` (speak SMTP over stdin: the default) and `-t` (read the message on stdin, pass recipients as command-line arguments).\n\nIn `-t` mode, recipient addresses are appended to the sendmail command line **without a `--` end-of-options separator**. A recipient address beginning with `-` (which `Symfony\\Component\\Mime\\Address` accepts as valid) is therefore interpreted by sendmail as a command-line option rather than an address.\n\n### Resolution\n\nThe `SendmailTransport` transport now ensure `--` is set before the list of recipients.\n\nThe patch for this issue is available here for branch 5.4.\n\n### Credits\n\nSymfony would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.","public_affected_ranges":["ECOSYSTEM: introduced 7.0.0; fixed 7.4.12"]},{"certainty":"source_listed","source_ids":["sr-4a78ff80050d1b61e56deff6f066ef8d"],"technology":"symfony/symfony","known_exclusions":[],"conditions_summary":"### Description\n\nSymfony Mailer selects a transport via the `MAILER_DSN` environment variable / configuration (e.g. `smtp://...`, `sendmail://...`, `native://default`). `SendmailTransport` invokes the local `sendmail` binary and supports two modes: `-bs` (speak SMTP over stdin: the default) and `-t` (read the message on stdin, pass recipients as command-line arguments).\n\nIn `-t` mode, recipient addresses are appended to the sendmail command line **without a `--` end-of-options separator**. A recipient address beginning with `-` (which `Symfony\\Component\\Mime\\Address` accepts as valid) is therefore interpreted by sendmail as a command-line option rather than an address.\n\n### Resolution\n\nThe `SendmailTransport` transport now ensure `--` is set before the list of recipients.\n\nThe patch for this issue is available here for branch 5.4.\n\n### Credits\n\nSymfony would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.","public_affected_ranges":["ECOSYSTEM: introduced 8.0.0; fixed 8.0.12"]}],"null_published_at":"2026-10-31T22:12:48.030Z","source_updated_at":"2026-09-10T03:51:07.456Z","source_disclosed_at":"2026-05-27T20:46:05.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:42:51.450Z"}],"next_cursor":null,"snapshot_revision":"42594"}