{"id":"CVE-2026-41493","state":"PUBLISHED","title":"yard: Possible arbitrary path traversal and file access via yard server","description":"YARD is a Ruby Documentation tool. Prior to version 0.9.42, a path traversal vulnerability was discovered in YARD when using yard server to serve documentation. This bug would allow unsanitized HTTP requests to access arbitrary files on the machine of a yard server host under certain conditions. This issue has been patched in version 0.9.42.","publishedAt":"2026-05-08T13:13:49.232Z","updatedAt":"2026-05-08T21:27:41.408Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["lsegal yard"],"affected":[{"vendor":"lsegal","product":"yard","versions":[{"version":"< 0.9.42","status":"affected"}]}],"references":["https://github.com/lsegal/yard/security/advisories/GHSA-3jfp-46x4-xgfj","https://github.com/lsegal/yard/releases/tag/v0.9.42"],"weaknesses":["CWE-22"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/41xxx/CVE-2026-41493.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-41493","state":"PUBLISHED","datePublished":"2026-05-08T13:13:49.232Z","dateUpdated":"2026-05-08T21:27:41.408Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-04-20T16:14:19.008Z"},"containers":{"cna":{"title":"yard: Possible arbitrary path traversal and file access via yard server","descriptions":[{"lang":"en","value":"YARD is a Ruby Documentation tool. Prior to version 0.9.42, a path traversal vulnerability was discovered in YARD when using yard server to serve documentation. This bug would allow unsanitized HTTP requests to access arbitrary files on the machine of a yard server host under certain conditions. This issue has been patched in version 0.9.42."}],"affected":[{"vendor":"lsegal","product":"yard","versions":[{"version":"< 0.9.42","status":"affected"}]}],"references":[{"url":"https://github.com/lsegal/yard/security/advisories/GHSA-3jfp-46x4-xgfj","name":"https://github.com/lsegal/yard/security/advisories/GHSA-3jfp-46x4-xgfj","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/lsegal/yard/releases/tag/v0.9.42","name":"https://github.com/lsegal/yard/releases/tag/v0.9.42","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0"}}],"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":"2026-05-08T13:13:49.232Z"},"source":{"advisory":"GHSA-3jfp-46x4-xgfj","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-08T14:15:08.883899Z","id":"CVE-2026-41493","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-08T21:27:41.408Z"}}]}}}