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Vulnerabilities

Vulnerability · 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.

Published Sep 16, 2026 · catalog updated Oct 22, 2026 · Decap CMS before 3.11.0

Check if you run it

No confirmed exploitation is on record for CVE-2026-92812. EPSS is 0.44%. Act only if a listed version of Decap CMS before 3.11.0 is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Decap CMS before 3.11.0).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.44%
Remediation
Advisory link
Affected products
See sources for product scope

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.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-92812

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-92812. EPSS is 0.44%. Act only if a listed version of Decap CMS before 3.11.0 is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-22: Path Traversal. EPSS 0.44%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 16, 2026 · NIST NVD

    Detected

    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.

  2. Oct 22, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-92812

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-92812

    30-day exploitation probability 0.44%

    first.org
  • NIST NVDVulnerability recordCVE-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,

    nvd.nist.gov
  • Tenable CVE DatabaseVulnerability recordCVE-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.

    tenable.com

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.