{"items":[{"id":"NVI-00003406","kind":"vulnerability","title":"Craft CMS Vulnerable to Authenticated RCE via Twig SSTI - create() function + Symfony Process gadget","revision":5,"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-94rc-cqvm-m4pw","CVE-2026-28695"],"plain_summary":"OSV carries this publisher advisory for craftcms/cms, craftcms/cms. 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 5.9.0-beta.1 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3d4289825cb7f8a46dc152926a107453"],"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 4.17.0-beta.1 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3d4289825cb7f8a46dc152926a107453"],"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-0b130173aa6740bfa7533858d565a6bb"],"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":"2026-06-17T10:28:55.373Z","value":"7.2 HIGH (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-d34be16c669c61ef5e2f142de76cde85"},{"kind":"CVSS","as_of":"2026-06-17T10:28:55.373Z","value":"7.5 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-d34be16c669c61ef5e2f142de76cde85"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.662%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.51704. Missing scores are unknown.","source_id":"sr-0b130173aa6740bfa7533858d565a6bb"}],"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-3d4289825cb7f8a46dc152926a107453","url":"https://github.com/advisories/GHSA-94rc-cqvm-m4pw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-94rc-cqvm-m4pw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.679Z"},{"id":"sr-d34be16c669c61ef5e2f142de76cde85","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28695","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-28695","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:56.268Z"},{"id":"sr-0b130173aa6740bfa7533858d565a6bb","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-2026-28695","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.781Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3d4289825cb7f8a46dc152926a107453"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"There is an authenticated admin RCE in Craft CMS 5.8.21 via Server-Side Template Injection using the `create()` Twig function combined with a Symfony Process gadget chain.\n\nThis bypasses the fix implemented for CVE-2025-57811 (patched in 5.8.7).\n\n## Required Permissions\n\n- Administrator permissions or access to System Messages utility\n- `allowAdminChanges` enabled in production (against our security recommendations)  or access to System Messages utility\n\n## Vulnerability Details\nThe `create()` Twig function exposes `Craft::createObject()`, which allows instantiation of arbitrary PHP classes with constructor arguments. Combined with the bundled `symfony/process` dependency, this enables RCE.\n\n## Attack Vector\nAdmin panel → Settings → Entry Types → Title Format field\n\n## Proof of Concept Payload\n\n```\n{% set p = create(\"Symfony\\\\Component\\\\Process\\\\Process\", [[\"id\"]])\n%}{{ p.mustRun.getOutput }}\n```\n\n## Steps to Reproduce\n1. Log in as admin\n2. Navigate to Settings → Entry Types\n3. Edit any entry type’s \"Title Format\" field\n4. Insert the payload above\n5. Create/edit an entry of that type\n","public_affected_ranges":["ECOSYSTEM: introduced 5.8.7; fixed 5.9.0-beta.1"]},{"certainty":"source_listed","source_ids":["sr-3d4289825cb7f8a46dc152926a107453"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"There is an authenticated admin RCE in Craft CMS 5.8.21 via Server-Side Template Injection using the `create()` Twig function combined with a Symfony Process gadget chain.\n\nThis bypasses the fix implemented for CVE-2025-57811 (patched in 5.8.7).\n\n## Required Permissions\n\n- Administrator permissions or access to System Messages utility\n- `allowAdminChanges` enabled in production (against our security recommendations)  or access to System Messages utility\n\n## Vulnerability Details\nThe `create()` Twig function exposes `Craft::createObject()`, which allows instantiation of arbitrary PHP classes with constructor arguments. Combined with the bundled `symfony/process` dependency, this enables RCE.\n\n## Attack Vector\nAdmin panel → Settings → Entry Types → Title Format field\n\n## Proof of Concept Payload\n\n```\n{% set p = create(\"Symfony\\\\Component\\\\Process\\\\Process\", [[\"id\"]])\n%}{{ p.mustRun.getOutput }}\n```\n\n## Steps to Reproduce\n1. Log in as admin\n2. Navigate to Settings → Entry Types\n3. Edit any entry type’s \"Title Format\" field\n4. Insert the payload above\n5. Create/edit an entry of that type\n","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0-RC1; fixed 4.17.0-beta.1"]}],"null_published_at":"2026-11-07T22:29:23.446Z","source_updated_at":"2026-03-04T18:46:15.470Z","source_disclosed_at":"2026-03-03T20:30:36.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:10.679Z"},{"id":"NVI-00003406","kind":"vulnerability","title":"Craft CMS Vulnerable to Authenticated RCE via Twig SSTI - create() function + Symfony Process gadget","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-94rc-cqvm-m4pw","CVE-2026-28695"],"plain_summary":"OSV carries this publisher advisory for craftcms/cms, craftcms/cms. 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 5.9.0-beta.1 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3d4289825cb7f8a46dc152926a107453"],"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 4.17.0-beta.1 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3d4289825cb7f8a46dc152926a107453"],"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-0b130173aa6740bfa7533858d565a6bb"],"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":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.662%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.51704. Missing scores are unknown.","source_id":"sr-0b130173aa6740bfa7533858d565a6bb"}],"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-3d4289825cb7f8a46dc152926a107453","url":"https://github.com/advisories/GHSA-94rc-cqvm-m4pw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-94rc-cqvm-m4pw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.679Z"},{"id":"sr-0b130173aa6740bfa7533858d565a6bb","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-2026-28695","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.781Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3d4289825cb7f8a46dc152926a107453"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"There is an authenticated admin RCE in Craft CMS 5.8.21 via Server-Side Template Injection using the `create()` Twig function combined with a Symfony Process gadget chain.\n\nThis bypasses the fix implemented for CVE-2025-57811 (patched in 5.8.7).\n\n## Required Permissions\n\n- Administrator permissions or access to System Messages utility\n- `allowAdminChanges` enabled in production (against our security recommendations)  or access to System Messages utility\n\n## Vulnerability Details\nThe `create()` Twig function exposes `Craft::createObject()`, which allows instantiation of arbitrary PHP classes with constructor arguments. Combined with the bundled `symfony/process` dependency, this enables RCE.\n\n## Attack Vector\nAdmin panel → Settings → Entry Types → Title Format field\n\n## Proof of Concept Payload\n\n```\n{% set p = create(\"Symfony\\\\Component\\\\Process\\\\Process\", [[\"id\"]])\n%}{{ p.mustRun.getOutput }}\n```\n\n## Steps to Reproduce\n1. Log in as admin\n2. Navigate to Settings → Entry Types\n3. Edit any entry type’s \"Title Format\" field\n4. Insert the payload above\n5. Create/edit an entry of that type\n","public_affected_ranges":["ECOSYSTEM: introduced 5.8.7; fixed 5.9.0-beta.1"]},{"certainty":"source_listed","source_ids":["sr-3d4289825cb7f8a46dc152926a107453"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"There is an authenticated admin RCE in Craft CMS 5.8.21 via Server-Side Template Injection using the `create()` Twig function combined with a Symfony Process gadget chain.\n\nThis bypasses the fix implemented for CVE-2025-57811 (patched in 5.8.7).\n\n## Required Permissions\n\n- Administrator permissions or access to System Messages utility\n- `allowAdminChanges` enabled in production (against our security recommendations)  or access to System Messages utility\n\n## Vulnerability Details\nThe `create()` Twig function exposes `Craft::createObject()`, which allows instantiation of arbitrary PHP classes with constructor arguments. Combined with the bundled `symfony/process` dependency, this enables RCE.\n\n## Attack Vector\nAdmin panel → Settings → Entry Types → Title Format field\n\n## Proof of Concept Payload\n\n```\n{% set p = create(\"Symfony\\\\Component\\\\Process\\\\Process\", [[\"id\"]])\n%}{{ p.mustRun.getOutput }}\n```\n\n## Steps to Reproduce\n1. Log in as admin\n2. Navigate to Settings → Entry Types\n3. Edit any entry type’s \"Title Format\" field\n4. Insert the payload above\n5. Create/edit an entry of that type\n","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0-RC1; fixed 4.17.0-beta.1"]}],"null_published_at":"2026-11-04T10:04:41.582Z","source_updated_at":"2026-03-04T18:46:15.470Z","source_disclosed_at":"2026-03-03T20:30:36.000Z","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":"2026-10-31T21:42:10.679Z"},{"id":"NVI-00003406","kind":"vulnerability","title":"Craft CMS Vulnerable to Authenticated RCE via Twig SSTI - create() function + Symfony Process gadget","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-94rc-cqvm-m4pw","CVE-2026-28695"],"plain_summary":"OSV carries this publisher advisory for craftcms/cms, craftcms/cms. 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 5.9.0-beta.1 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3d4289825cb7f8a46dc152926a107453"],"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 4.17.0-beta.1 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3d4289825cb7f8a46dc152926a107453"],"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-141ec6d9c821edd5f3e0e5b8ed395a57"],"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":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.662%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.51664. Missing scores are unknown.","source_id":"sr-141ec6d9c821edd5f3e0e5b8ed395a57"}],"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-3d4289825cb7f8a46dc152926a107453","url":"https://github.com/advisories/GHSA-94rc-cqvm-m4pw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-94rc-cqvm-m4pw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.679Z"},{"id":"sr-141ec6d9c821edd5f3e0e5b8ed395a57","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-2026-28695","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.271Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3d4289825cb7f8a46dc152926a107453"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"There is an authenticated admin RCE in Craft CMS 5.8.21 via Server-Side Template Injection using the `create()` Twig function combined with a Symfony Process gadget chain.\n\nThis bypasses the fix implemented for CVE-2025-57811 (patched in 5.8.7).\n\n## Required Permissions\n\n- Administrator permissions or access to System Messages utility\n- `allowAdminChanges` enabled in production (against our security recommendations)  or access to System Messages utility\n\n## Vulnerability Details\nThe `create()` Twig function exposes `Craft::createObject()`, which allows instantiation of arbitrary PHP classes with constructor arguments. Combined with the bundled `symfony/process` dependency, this enables RCE.\n\n## Attack Vector\nAdmin panel → Settings → Entry Types → Title Format field\n\n## Proof of Concept Payload\n\n```\n{% set p = create(\"Symfony\\\\Component\\\\Process\\\\Process\", [[\"id\"]])\n%}{{ p.mustRun.getOutput }}\n```\n\n## Steps to Reproduce\n1. Log in as admin\n2. Navigate to Settings → Entry Types\n3. Edit any entry type’s \"Title Format\" field\n4. Insert the payload above\n5. Create/edit an entry of that type\n","public_affected_ranges":["ECOSYSTEM: introduced 5.8.7; fixed 5.9.0-beta.1"]},{"certainty":"source_listed","source_ids":["sr-3d4289825cb7f8a46dc152926a107453"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"There is an authenticated admin RCE in Craft CMS 5.8.21 via Server-Side Template Injection using the `create()` Twig function combined with a Symfony Process gadget chain.\n\nThis bypasses the fix implemented for CVE-2025-57811 (patched in 5.8.7).\n\n## Required Permissions\n\n- Administrator permissions or access to System Messages utility\n- `allowAdminChanges` enabled in production (against our security recommendations)  or access to System Messages utility\n\n## Vulnerability Details\nThe `create()` Twig function exposes `Craft::createObject()`, which allows instantiation of arbitrary PHP classes with constructor arguments. Combined with the bundled `symfony/process` dependency, this enables RCE.\n\n## Attack Vector\nAdmin panel → Settings → Entry Types → Title Format field\n\n## Proof of Concept Payload\n\n```\n{% set p = create(\"Symfony\\\\Component\\\\Process\\\\Process\", [[\"id\"]])\n%}{{ p.mustRun.getOutput }}\n```\n\n## Steps to Reproduce\n1. Log in as admin\n2. Navigate to Settings → Entry Types\n3. Edit any entry type’s \"Title Format\" field\n4. Insert the payload above\n5. Create/edit an entry of that type\n","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0-RC1; fixed 4.17.0-beta.1"]}],"null_published_at":"2026-11-03T17:49:18.481Z","source_updated_at":"2026-03-04T18:46:15.470Z","source_disclosed_at":"2026-03-03T20:30:36.000Z","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":"2026-10-31T21:42:10.679Z"},{"id":"NVI-00003406","kind":"vulnerability","title":"Craft CMS Vulnerable to Authenticated RCE via Twig SSTI - create() function + Symfony Process gadget","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-94rc-cqvm-m4pw","CVE-2026-28695"],"plain_summary":"OSV carries this publisher advisory for craftcms/cms, craftcms/cms. 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 5.9.0-beta.1 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3d4289825cb7f8a46dc152926a107453"],"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 4.17.0-beta.1 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3d4289825cb7f8a46dc152926a107453"],"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-3721854d29b4f98ca41e1fbd085e71d6"],"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":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.662%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.51668. Missing scores are unknown.","source_id":"sr-3721854d29b4f98ca41e1fbd085e71d6"}],"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-3d4289825cb7f8a46dc152926a107453","url":"https://github.com/advisories/GHSA-94rc-cqvm-m4pw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-94rc-cqvm-m4pw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.679Z"},{"id":"sr-3721854d29b4f98ca41e1fbd085e71d6","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-2026-28695","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.376Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3d4289825cb7f8a46dc152926a107453"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"There is an authenticated admin RCE in Craft CMS 5.8.21 via Server-Side Template Injection using the `create()` Twig function combined with a Symfony Process gadget chain.\n\nThis bypasses the fix implemented for CVE-2025-57811 (patched in 5.8.7).\n\n## Required Permissions\n\n- Administrator permissions or access to System Messages utility\n- `allowAdminChanges` enabled in production (against our security recommendations)  or access to System Messages utility\n\n## Vulnerability Details\nThe `create()` Twig function exposes `Craft::createObject()`, which allows instantiation of arbitrary PHP classes with constructor arguments. Combined with the bundled `symfony/process` dependency, this enables RCE.\n\n## Attack Vector\nAdmin panel → Settings → Entry Types → Title Format field\n\n## Proof of Concept Payload\n\n```\n{% set p = create(\"Symfony\\\\Component\\\\Process\\\\Process\", [[\"id\"]])\n%}{{ p.mustRun.getOutput }}\n```\n\n## Steps to Reproduce\n1. Log in as admin\n2. Navigate to Settings → Entry Types\n3. Edit any entry type’s \"Title Format\" field\n4. Insert the payload above\n5. Create/edit an entry of that type\n","public_affected_ranges":["ECOSYSTEM: introduced 5.8.7; fixed 5.9.0-beta.1"]},{"certainty":"source_listed","source_ids":["sr-3d4289825cb7f8a46dc152926a107453"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"There is an authenticated admin RCE in Craft CMS 5.8.21 via Server-Side Template Injection using the `create()` Twig function combined with a Symfony Process gadget chain.\n\nThis bypasses the fix implemented for CVE-2025-57811 (patched in 5.8.7).\n\n## Required Permissions\n\n- Administrator permissions or access to System Messages utility\n- `allowAdminChanges` enabled in production (against our security recommendations)  or access to System Messages utility\n\n## Vulnerability Details\nThe `create()` Twig function exposes `Craft::createObject()`, which allows instantiation of arbitrary PHP classes with constructor arguments. Combined with the bundled `symfony/process` dependency, this enables RCE.\n\n## Attack Vector\nAdmin panel → Settings → Entry Types → Title Format field\n\n## Proof of Concept Payload\n\n```\n{% set p = create(\"Symfony\\\\Component\\\\Process\\\\Process\", [[\"id\"]])\n%}{{ p.mustRun.getOutput }}\n```\n\n## Steps to Reproduce\n1. Log in as admin\n2. Navigate to Settings → Entry Types\n3. Edit any entry type’s \"Title Format\" field\n4. Insert the payload above\n5. Create/edit an entry of that type\n","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0-RC1; fixed 4.17.0-beta.1"]}],"null_published_at":"2026-10-31T22:27:15.290Z","source_updated_at":"2026-03-04T18:46:15.470Z","source_disclosed_at":"2026-03-03T20:30:36.000Z","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":"2026-10-31T21:42:10.679Z"},{"id":"NVI-00003406","kind":"vulnerability","title":"Craft CMS Vulnerable to Authenticated RCE via Twig SSTI - create() function + Symfony Process gadget","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-94rc-cqvm-m4pw","CVE-2026-28695"],"plain_summary":"OSV carries this publisher advisory for craftcms/cms, craftcms/cms. 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 5.9.0-beta.1 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3d4289825cb7f8a46dc152926a107453"],"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 4.17.0-beta.1 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3d4289825cb7f8a46dc152926a107453"],"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-3d4289825cb7f8a46dc152926a107453","url":"https://github.com/advisories/GHSA-94rc-cqvm-m4pw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-94rc-cqvm-m4pw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.679Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3d4289825cb7f8a46dc152926a107453"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"There is an authenticated admin RCE in Craft CMS 5.8.21 via Server-Side Template Injection using the `create()` Twig function combined with a Symfony Process gadget chain.\n\nThis bypasses the fix implemented for CVE-2025-57811 (patched in 5.8.7).\n\n## Required Permissions\n\n- Administrator permissions or access to System Messages utility\n- `allowAdminChanges` enabled in production (against our security recommendations)  or access to System Messages utility\n\n## Vulnerability Details\nThe `create()` Twig function exposes `Craft::createObject()`, which allows instantiation of arbitrary PHP classes with constructor arguments. Combined with the bundled `symfony/process` dependency, this enables RCE.\n\n## Attack Vector\nAdmin panel → Settings → Entry Types → Title Format field\n\n## Proof of Concept Payload\n\n```\n{% set p = create(\"Symfony\\\\Component\\\\Process\\\\Process\", [[\"id\"]])\n%}{{ p.mustRun.getOutput }}\n```\n\n## Steps to Reproduce\n1. Log in as admin\n2. Navigate to Settings → Entry Types\n3. Edit any entry type’s \"Title Format\" field\n4. Insert the payload above\n5. Create/edit an entry of that type\n","public_affected_ranges":["ECOSYSTEM: introduced 5.8.7; fixed 5.9.0-beta.1"]},{"certainty":"source_listed","source_ids":["sr-3d4289825cb7f8a46dc152926a107453"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"There is an authenticated admin RCE in Craft CMS 5.8.21 via Server-Side Template Injection using the `create()` Twig function combined with a Symfony Process gadget chain.\n\nThis bypasses the fix implemented for CVE-2025-57811 (patched in 5.8.7).\n\n## Required Permissions\n\n- Administrator permissions or access to System Messages utility\n- `allowAdminChanges` enabled in production (against our security recommendations)  or access to System Messages utility\n\n## Vulnerability Details\nThe `create()` Twig function exposes `Craft::createObject()`, which allows instantiation of arbitrary PHP classes with constructor arguments. Combined with the bundled `symfony/process` dependency, this enables RCE.\n\n## Attack Vector\nAdmin panel → Settings → Entry Types → Title Format field\n\n## Proof of Concept Payload\n\n```\n{% set p = create(\"Symfony\\\\Component\\\\Process\\\\Process\", [[\"id\"]])\n%}{{ p.mustRun.getOutput }}\n```\n\n## Steps to Reproduce\n1. Log in as admin\n2. Navigate to Settings → Entry Types\n3. Edit any entry type’s \"Title Format\" field\n4. Insert the payload above\n5. Create/edit an entry of that type\n","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0-RC1; fixed 4.17.0-beta.1"]}],"null_published_at":"2026-10-31T22:12:48.015Z","source_updated_at":"2026-03-04T18:46:15.470Z","source_disclosed_at":"2026-03-03T20:30:36.000Z","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":"2026-10-31T21:42:10.679Z"}],"next_cursor":null,"snapshot_revision":"42594"}