Path Traversal in Decaporg Decap-Server
CVE-2026-92812
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.
Vulnerability class: Path Traversal (Directory Traversal)
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N.
Affected products
- Decaporg Decap-server — versions 11f35405cd1a1d1216e97b890173f46436752019
Weakness classification (CWE)
References
- disclosure@vulncheck.com (technical-description, exploit)
- disclosure@vulncheck.com (technical-description)
- disclosure@vulncheck.com (product)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-92812?
- CVE-2026-92812 is a medium-severity vulnerability in Decaporg Decap-Server, classified under Path Traversal. CVSS score: 6.8/10. Published 2026-09-16.
- How severe is CVE-2026-92812?
- Medium severity. CVSS v3 base score is 6.8 out of 10.