CVEvulnerability
CVE-2026-92812
9.3 CRITICAL
Official page ↗
- Status
- Deferred
- Published
- 2026-09-16
- Last modified
- 2026-10-22
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 9.3 CRITICAL — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-22
Description
Decap CMS before 3.11.0 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.
Related
Weakness · CWE (1)
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
References
- https://github.com/decaporg/decap-cms/releases?page=2#[email protected] github.com
- https://github.com/decaporg/decap-cms/security/advisories/GHSA-5rrq-v82w-qpfr github.com
- https://github.com/geo-chen/oss/blob/main/decap-cms.md github.com
- https://www.vulncheck.com/advisories/decap-cms-path-traversal-via-sibling-directory-prefix-matching www.vulncheck.com