CVE-2026-92812
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductDecaporg Decap-cms
PublishedSep 16, 2026
First seenSep 16, 2026
Weakness typeCWE-22Path traversal
How to fix
Update
- decaporg decap-cms3.11.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| decaporg decap-cms | v < 3.11.0 | 3.11.0 |
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