CVE-2026-92812
decap-server Path Traversal via Sibling Directory Prefix Matching
HIGH 7.6EPSS 0.4%
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.
- Affected
- decaporg · decap-server
- CVSS v4.0 VULNCHECK
- 7.6 HIGH
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/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 v3.1 VULNCHECK
- 6.8 MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N - EPSS
- 0.42% chance of exploitation in the next 30 days, 35th percentile
- Published
- 2026-09-16
- Updated
- 2026-09-19