CVE-2026-92812
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.
- CVSS 4.0
- 9.3
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 - CVSS 3.1
- 9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS
- 0.4% chance of exploitation in the next 30 days; higher than 38% of CVEs (scores of 2026-10-25)
- CWE
- CWE-22
- Published
- Modified
- Record from
- the NVD, synced
References
- https://github.com/decaporg/decap-cms/releases?page=2#release-decap-cms@3.11.0
- https://github.com/decaporg/decap-cms/security/advisories/GHSA-5rrq-v82w-qpfr
- https://github.com/geo-chen/oss/blob/main/decap-cms.md
- https://www.vulncheck.com/advisories/decap-cms-path-traversal-via-sibling-directory-prefix-matching