{"id":"CVE-2026-61371","state":"PUBLISHED","title":"Microsoft AVML before 0.17.0 could follow a symlink when opening a destination output path on Unix, allowing truncation/overwrite of the symlink target. The destructive effect is p","description":"Microsoft AVML before 0.17.0 could follow a symlink when opening a destination output path on Unix, allowing truncation/overwrite of the symlink target. The destructive effect is performed at open-time via O_TRUNC, and can happen before full input validation completes (“truncation-before-validation”).","publishedAt":"2026-07-15T00:00:00.000Z","updatedAt":"2026-07-15T19:26:26.306Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","source":"CISA-ADP"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://github.com/microsoft/avml/pull/754","https://github.com/microsoft/avml/releases/tag/v0.17.0","https://gist.github.com/thesmartshadow/2d099071f847de8db3dc4bbaf4dfa6df"],"weaknesses":["CWE-59"],"ingestedAt":"2026-10-29T20:12:32.778Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/61xxx/CVE-2026-61371.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-61371","state":"PUBLISHED","datePublished":"2026-07-15T00:00:00.000Z","dateUpdated":"2026-07-15T19:26:26.306Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2026-07-08T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Microsoft AVML before 0.17.0 could follow a symlink when opening a destination output path on Unix, allowing truncation/overwrite of the symlink target. The destructive effect is performed at open-time via O_TRUNC, and can happen before full input validation completes (“truncation-before-validation”)."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://github.com/microsoft/avml/pull/754"},{"url":"https://github.com/microsoft/avml/releases/tag/v0.17.0"},{"url":"https://gist.github.com/thesmartshadow/2d099071f847de8db3dc4bbaf4dfa6df"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2026-07-15T15:50:25.585Z"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://gist.github.com/thesmartshadow/2d099071f847de8db3dc4bbaf4dfa6df","tags":["exploit"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-07-15T19:25:15.257019Z","id":"CVE-2026-61371","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-59","type":"CWE","lang":"en","description":"CWE-59 Improper Link Resolution Before File Access ('Link Following')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-15T19:26:26.306Z"}}]}}}