{"id":"CVE-2026-55878","state":"PUBLISHED","title":"Symfony: Path Traversal in symfony/ux-toolkit Allows Arbitrary File Write and Read via Crafted Recipe Manifest","description":"Symfony UX is a JavaScript ecosystem for Symfony. From 2.32.0 before 2.36.1 and from 3.0.0 before 3.2.0, the ux:install console command installs files from a recipe kit by copying paths listed in a copy-files map, and because Path::isRelative() accepts paths like ../../../etc, a crafted or compromised kit can write attacker-controlled content to arbitrary locations or read local files outside the recipe directory. This issue is fixed in versions 2.36.1 and 3.2.0.","publishedAt":"2026-07-08T21:30:33.816Z","updatedAt":"2026-07-09T14:19:07.068Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["symfony ux"],"affected":[{"vendor":"symfony","product":"ux","versions":[{"version":">= 2.32.0, < 2.36.1","status":"affected"},{"version":">= 3.0.0, < 3.2.0","status":"affected"}]}],"references":["https://github.com/symfony/ux/security/advisories/GHSA-p9xj-fpr2-jf2q","https://github.com/symfony/ux/commit/7b4ddf3764bf269a1b5fde5bf03c4bce568694e4","https://github.com/symfony/ux/releases/tag/v2.36.1","https://github.com/symfony/ux/releases/tag/v3.2.0"],"weaknesses":["CWE-22"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/55xxx/CVE-2026-55878.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-55878","state":"PUBLISHED","datePublished":"2026-07-08T21:30:33.816Z","dateUpdated":"2026-07-09T14:19:07.068Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-17T16:59:42.759Z"},"containers":{"cna":{"title":"Symfony: Path Traversal in symfony/ux-toolkit Allows Arbitrary File Write and Read via Crafted Recipe Manifest","descriptions":[{"lang":"en","value":"Symfony UX is a JavaScript ecosystem for Symfony. From 2.32.0 before 2.36.1 and from 3.0.0 before 3.2.0, the ux:install console command installs files from a recipe kit by copying paths listed in a copy-files map, and because Path::isRelative() accepts paths like ../../../etc, a crafted or compromised kit can write attacker-controlled content to arbitrary locations or read local files outside the recipe directory. This issue is fixed in versions 2.36.1 and 3.2.0."}],"affected":[{"vendor":"symfony","product":"ux","versions":[{"version":">= 2.32.0, < 2.36.1","status":"affected"},{"version":">= 3.0.0, < 3.2.0","status":"affected"}]}],"references":[{"url":"https://github.com/symfony/ux/security/advisories/GHSA-p9xj-fpr2-jf2q","name":"https://github.com/symfony/ux/security/advisories/GHSA-p9xj-fpr2-jf2q","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/symfony/ux/commit/7b4ddf3764bf269a1b5fde5bf03c4bce568694e4","name":"https://github.com/symfony/ux/commit/7b4ddf3764bf269a1b5fde5bf03c4bce568694e4","tags":["x_refsource_MISC"]},{"url":"https://github.com/symfony/ux/releases/tag/v2.36.1","name":"https://github.com/symfony/ux/releases/tag/v2.36.1","tags":["x_refsource_MISC"]},{"url":"https://github.com/symfony/ux/releases/tag/v3.2.0","name":"https://github.com/symfony/ux/releases/tag/v3.2.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","lang":"en","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-08T21:30:33.816Z"},"source":{"advisory":"GHSA-p9xj-fpr2-jf2q","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-09T14:18:56.012444Z","id":"CVE-2026-55878","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-09T14:19:07.068Z"}}]}}}