{"id":"CVE-2026-63500","title":"Yeti: Path traversal in DFIQ uuid allows authenticated arbitrary file write during archive export","summary":"Yeti bridges the gap between CTI and DFIR practitioners by providing a Forensics Intelligence platform and pipeline. Prior to 2.5.1, core/schemas/dfiq.py accepts an unvalidated uuid from DFIQ YAML through POST /api/v2/dfiq/from_yaml, and…","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L","cvssSource":"cna","cwe":["CWE-22"],"vendor":"yeti-platform","product":"yeti","affected":["yeti <= 2.5.0"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-03T22:36:07.474697Z"},"published":"2026-11-03","updated":"2026-11-03","sourceUpdated":"2026-11-03T22:40:05.658Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-63500","references":[{"url":"https://github.com/yeti-platform/yeti/security/advisories/GHSA-6xf2-8436-rgvf","label":"https://github.com/yeti-platform/yeti/security/advisories/GHSA-6xf2-8436-rgvf"},{"url":"https://github.com/yeti-platform/yeti/pull/1279","label":"https://github.com/yeti-platform/yeti/pull/1279"},{"url":"https://github.com/yeti-platform/yeti/commit/8e36bd0000f98f625540e37eeb9f304c684e8394","label":"https://github.com/yeti-platform/yeti/commit/8e36bd0000f98f625540e37eeb9f304c684e8394"},{"url":"https://github.com/yeti-platform/yeti/releases/tag/2.5.1","label":"https://github.com/yeti-platform/yeti/releases/tag/2.5.1"}],"tags":["cve.org"],"epss":0.00405,"epssPercentile":0.34971,"ingestedAt":"2026-11-05T20:33:06.602Z","slug":"CVE-2026-63500","body":"## Overview\n\nYeti bridges the gap between CTI and DFIR practitioners by providing a Forensics Intelligence platform and pipeline. Prior to 2.5.1, core/schemas/dfiq.py accepts an unvalidated uuid from DFIQ YAML through POST /api/v2/dfiq/from_yaml, and core/web/apiv2/dfiq.py later interpolates that stored value into an archive filesystem path in POST /api/v2/dfiq/to_archive. A low-privileged authenticated user can import a DFIQ object whose UUID contains traversal sequences and trigger archive export, causing attacker-controlled content with a .yaml suffix to be written outside the intended temporary archive directory. The impact is limited by paths writable by the YETI service account, and the separate DFIQ archive-import zip-slip candidate is not part of this vulnerability. This issue is fixed in version 2.5.1.\n\n## Affected\n\n- `yeti <= 2.5.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}