CVE-2026-92812decap-server Path Traversal via Sibling Directory Prefix Matching
Updated under an hour ago ()
Does this affect you?
It affects decaporg decap-server. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
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.
- CVSS
- 6.8 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
- Weakness (CWE)
- CWE-22
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Sep 19, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
decaporg decap-server decaporg:decap_server (from the name) | 11f35405cd1a1d1216e97b890173f46436752019 | CNA record |
References
- https://github.com/geo-chen/oss/blob/main/decap-cms.mdtechnical-description, exploit
- https://github.com/decaporg/decap-cms/blob/11f35405cd1a1d1216e97b890173f46436752019/packages/decap-server/src/middlewares/joi/customValidators.ts#L11-L16technical-description
- https://github.com/decaporg/decap-cmsproduct
- https://www.vulncheck.com/advisories/decap-server-path-traversal-via-sibling-directory-prefix-matchingthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.