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.
Advisories

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Fixes

Solution

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Workaround

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History

Thu, 22 Oct 2026 16:30:00 +0000


Thu, 22 Oct 2026 15:45:00 +0000

Type Values Removed Values Added
Description 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. 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.
Title decap-server Path Traversal via Sibling Directory Prefix Matching Decap CMS < 3.11.0 Path Traversal via Sibling Directory Prefix Matching
References
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 7.6, 'vector': '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'}

cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Sat, 19 Sep 2026 02:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 18 Sep 2026 21:30:00 +0000

Type Values Removed Values Added
First Time appeared Decaporg
Decaporg decap-server
Vendors & Products Decaporg
Decaporg decap-server

Wed, 16 Sep 2026 20:45:00 +0000

Type Values Removed Values Added
Description 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.
Title decap-server Path Traversal via Sibling Directory Prefix Matching
Weaknesses CWE-22
References
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 7.6, 'vector': '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-28T19:05:52.480Z

Reserved: 2026-09-16T19:55:01.700Z

Link: CVE-2026-92812

cve-icon Vulnrichment

Updated: 2026-09-19T01:53:31.095Z

cve-icon NVD

Status : Deferred

Published: 2026-09-16T21:17:31.017

Modified: 2026-10-22T16:19:15.990

Link: CVE-2026-92812

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-23T00:00:16Z

Weaknesses