{"items":[{"id":"NVI-00005499","kind":"vulnerability","title":"Dompdf: Local file read due to improper file path validation in SVG images encoded as data-URI","revision":4,"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-cx96-42px-69fm","CVE-2026-56722"],"plain_summary":"OSV carries this publisher advisory for dompdf/dompdf. 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 3.1.6 for dompdf/dompdf. Confirm the publisher’s latest guidance.","source_ids":["sr-92569ad23d2b65f704bc14b386dcc9dc"],"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-13861aafa9b8fd075372d6bb65f8fd27"],"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":"2026-08-04T16:39:54.863Z","value":"5.3 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-ba8dfdfa28cd07ed52dde453523ab873"},{"kind":"CVSS","as_of":"2026-08-04T16:39:54.863Z","value":"6.3 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-ba8dfdfa28cd07ed52dde453523ab873"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.448%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.38991. Missing scores are unknown.","source_id":"sr-13861aafa9b8fd075372d6bb65f8fd27"}],"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-92569ad23d2b65f704bc14b386dcc9dc","url":"https://github.com/advisories/GHSA-cx96-42px-69fm","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-cx96-42px-69fm","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.706Z"},{"id":"sr-ba8dfdfa28cd07ed52dde453523ab873","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56722","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-56722","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:39.943Z"},{"id":"sr-13861aafa9b8fd075372d6bb65f8fd27","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-2026-56722","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.789Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-92569ad23d2b65f704bc14b386dcc9dc"],"technology":"dompdf/dompdf","known_exclusions":[],"conditions_summary":"**Description:** An attacker, who controls the HTML input supplied to dompdf, can read arbitrary images from the server’s file system, bypassing the `chroot` restriction. The vulnerability is exploitable in the default configuration.\n**Exploitation conditions:** An external user\n**Researcher:** Nikita Sveshnikov (Positive Technologies)\n\n## Research\ndompdf restricts access to local files using the `chroot` mechanism. By default, `chroot` is set to the root directory of dompdf (`Options.php:350-351`):\n\n_Listing 1. `chroot` settings_\n```\n$rootDir = realpath(__DIR__ . \"/../\");\n$this->setChroot(array($rootDir));\n// result: chroot = [\"/path/to/vendor/dompdf/dompdf\"]\n```\nWhen the HTML references a local file, `Options::validateLocalUri()` checks that the path resides within `сhroot`. A direct link to the file outside this directory is correctly blocked:\n\n_Listing 2. Blocking link_\n```\n\n\n```\n### How the protection is bypassed:\nAn attacker wraps the link to the target file in SVG format and delivers it via `data:` URI:\n\n_Listing 3. Wrapping link in SVG_\n```\n\n``","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 3.1.6"]}],"null_published_at":"2026-11-06T15:18:17.699Z","source_updated_at":"2026-07-22T21:56:47.303Z","source_disclosed_at":"2026-07-22T21:30:01.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:10.706Z"},{"id":"NVI-00005499","kind":"vulnerability","title":"Dompdf: Local file read due to improper file path validation in SVG images encoded as data-URI","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-cx96-42px-69fm","CVE-2026-56722"],"plain_summary":"OSV carries this publisher advisory for dompdf/dompdf. 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 3.1.6 for dompdf/dompdf. Confirm the publisher’s latest guidance.","source_ids":["sr-92569ad23d2b65f704bc14b386dcc9dc"],"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-13861aafa9b8fd075372d6bb65f8fd27"],"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":"0.448%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.38991. Missing scores are unknown.","source_id":"sr-13861aafa9b8fd075372d6bb65f8fd27"}],"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-92569ad23d2b65f704bc14b386dcc9dc","url":"https://github.com/advisories/GHSA-cx96-42px-69fm","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-cx96-42px-69fm","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.706Z"},{"id":"sr-13861aafa9b8fd075372d6bb65f8fd27","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-2026-56722","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.789Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-92569ad23d2b65f704bc14b386dcc9dc"],"technology":"dompdf/dompdf","known_exclusions":[],"conditions_summary":"**Description:** An attacker, who controls the HTML input supplied to dompdf, can read arbitrary images from the server’s file system, bypassing the `chroot` restriction. The vulnerability is exploitable in the default configuration.\n**Exploitation conditions:** An external user\n**Researcher:** Nikita Sveshnikov (Positive Technologies)\n\n## Research\ndompdf restricts access to local files using the `chroot` mechanism. By default, `chroot` is set to the root directory of dompdf (`Options.php:350-351`):\n\n_Listing 1. `chroot` settings_\n```\n$rootDir = realpath(__DIR__ . \"/../\");\n$this->setChroot(array($rootDir));\n// result: chroot = [\"/path/to/vendor/dompdf/dompdf\"]\n```\nWhen the HTML references a local file, `Options::validateLocalUri()` checks that the path resides within `сhroot`. A direct link to the file outside this directory is correctly blocked:\n\n_Listing 2. Blocking link_\n```\n\n\n```\n### How the protection is bypassed:\nAn attacker wraps the link to the target file in SVG format and delivers it via `data:` URI:\n\n_Listing 3. Wrapping link in SVG_\n```\n\n``","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 3.1.6"]}],"null_published_at":"2026-11-06T00:29:57.318Z","source_updated_at":"2026-07-22T21:56:47.303Z","source_disclosed_at":"2026-07-22T21:30:01.000Z","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":"2026-10-31T21:42:10.706Z"},{"id":"NVI-00005499","kind":"vulnerability","title":"Dompdf: Local file read due to improper file path validation in SVG images encoded as data-URI","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-cx96-42px-69fm","CVE-2026-56722"],"plain_summary":"OSV carries this publisher advisory for dompdf/dompdf. 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 3.1.6 for dompdf/dompdf. Confirm the publisher’s latest guidance.","source_ids":["sr-92569ad23d2b65f704bc14b386dcc9dc"],"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-371fccf191669f122dfd6c3d1d1cb6ac"],"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":"0.448%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.38958. Missing scores are unknown.","source_id":"sr-371fccf191669f122dfd6c3d1d1cb6ac"}],"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-92569ad23d2b65f704bc14b386dcc9dc","url":"https://github.com/advisories/GHSA-cx96-42px-69fm","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-cx96-42px-69fm","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.706Z"},{"id":"sr-371fccf191669f122dfd6c3d1d1cb6ac","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-2026-56722","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.383Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-92569ad23d2b65f704bc14b386dcc9dc"],"technology":"dompdf/dompdf","known_exclusions":[],"conditions_summary":"**Description:** An attacker, who controls the HTML input supplied to dompdf, can read arbitrary images from the server’s file system, bypassing the `chroot` restriction. The vulnerability is exploitable in the default configuration.\n**Exploitation conditions:** An external user\n**Researcher:** Nikita Sveshnikov (Positive Technologies)\n\n## Research\ndompdf restricts access to local files using the `chroot` mechanism. By default, `chroot` is set to the root directory of dompdf (`Options.php:350-351`):\n\n_Listing 1. `chroot` settings_\n```\n$rootDir = realpath(__DIR__ . \"/../\");\n$this->setChroot(array($rootDir));\n// result: chroot = [\"/path/to/vendor/dompdf/dompdf\"]\n```\nWhen the HTML references a local file, `Options::validateLocalUri()` checks that the path resides within `сhroot`. A direct link to the file outside this directory is correctly blocked:\n\n_Listing 2. Blocking link_\n```\n\n\n```\n### How the protection is bypassed:\nAn attacker wraps the link to the target file in SVG format and delivers it via `data:` URI:\n\n_Listing 3. Wrapping link in SVG_\n```\n\n``","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 3.1.6"]}],"null_published_at":"2026-10-31T22:27:15.290Z","source_updated_at":"2026-07-22T21:56:47.303Z","source_disclosed_at":"2026-07-22T21:30:01.000Z","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":"2026-10-31T21:42:10.706Z"},{"id":"NVI-00005499","kind":"vulnerability","title":"Dompdf: Local file read due to improper file path validation in SVG images encoded as data-URI","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-cx96-42px-69fm","CVE-2026-56722"],"plain_summary":"OSV carries this publisher advisory for dompdf/dompdf. 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 3.1.6 for dompdf/dompdf. Confirm the publisher’s latest guidance.","source_ids":["sr-92569ad23d2b65f704bc14b386dcc9dc"],"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-92569ad23d2b65f704bc14b386dcc9dc","url":"https://github.com/advisories/GHSA-cx96-42px-69fm","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-cx96-42px-69fm","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.706Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-92569ad23d2b65f704bc14b386dcc9dc"],"technology":"dompdf/dompdf","known_exclusions":[],"conditions_summary":"**Description:** An attacker, who controls the HTML input supplied to dompdf, can read arbitrary images from the server’s file system, bypassing the `chroot` restriction. The vulnerability is exploitable in the default configuration.\n**Exploitation conditions:** An external user\n**Researcher:** Nikita Sveshnikov (Positive Technologies)\n\n## Research\ndompdf restricts access to local files using the `chroot` mechanism. By default, `chroot` is set to the root directory of dompdf (`Options.php:350-351`):\n\n_Listing 1. `chroot` settings_\n```\n$rootDir = realpath(__DIR__ . \"/../\");\n$this->setChroot(array($rootDir));\n// result: chroot = [\"/path/to/vendor/dompdf/dompdf\"]\n```\nWhen the HTML references a local file, `Options::validateLocalUri()` checks that the path resides within `сhroot`. A direct link to the file outside this directory is correctly blocked:\n\n_Listing 2. Blocking link_\n```\n\n\n```\n### How the protection is bypassed:\nAn attacker wraps the link to the target file in SVG format and delivers it via `data:` URI:\n\n_Listing 3. Wrapping link in SVG_\n```\n\n``","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 3.1.6"]}],"null_published_at":"2026-10-31T22:13:01.467Z","source_updated_at":"2026-07-22T21:56:47.303Z","source_disclosed_at":"2026-07-22T21:30:01.000Z","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":"2026-10-31T21:42:10.706Z"}],"next_cursor":null,"snapshot_revision":"42594"}