{"id":"CVE-2026-61371","details":"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”).","modified":"2026-07-17T03:48:17.088708510Z","published":"2026-07-15T00:00:00Z","database_specific":{"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/61xxx/CVE-2026-61371.json"},"references":[{"type":"WEB","url":"https://gist.github.com/thesmartshadow/2d099071f847de8db3dc4bbaf4dfa6df"},{"type":"WEB","url":"https://github.com/microsoft/avml/releases/tag/v0.17.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/61xxx/CVE-2026-61371.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-61371"},{"type":"FIX","url":"https://github.com/microsoft/avml/pull/754"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/microsoft/avml","events":[{"introduced":"0"},{"fixed":"61ba9fe416c552c16c644a24bc1d0596a4fe686f"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"0.17.0"}],"source":["DESCRIPTION","REFERENCES"]}}],"versions":["v0.15.0","v0.14.0","v0.13.0","v0.12.0","v0.11.4","v0.11.3","v0.11.2","v0.11.1","v0.11.0","v0.10.0","v0.9.1","v0.9.0","v0.8.0","v0.7.0","v0.6.1","v0.6.0","v0.5.0","v0.4.1","v0.3.0","v0.2.1","v0.2.0","v0.1.5","v0.1.4","v0.1.2","v0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-61371.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}