CVE-2026-92812
MEDIUMCVSS 6.8Description
decap-server contains a path traversal vulnerability in the local proxy containment guard that uses plain string prefix comparison without path separator validation. Attackers can access sibling directories whose names begin with the repository directory name to read, write, or delete files outside the intended repository root.
Timeline
Published:September 16th, 2026 9:17 PM
Last modified:September 22nd, 2026 8:53 PM
CVSS Scoring
CVSS v3: 6.8 (MEDIUM)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Weaknesses (CWE)
References & Reports
Advisories, patches, and third-party reports
- https://github.com/decaporg/decap-cms
- https://github.com/decaporg/decap-cms/blob/11f35405cd1a1d1216e97b890173f46436752019/packages/decap-server/src/middlewares/joi/customValidators.ts#L11-L16
- https://github.com/geo-chen/oss/blob/main/decap-cms.md
- https://www.vulncheck.com/advisories/decap-server-path-traversal-via-sibling-directory-prefix-matching
Source: NIST NVD · Data may lag official sources by up to one minute