CVE-2026-92812

CRITICAL
INFO Priority: 0.04 BB Relevance: 79/100
Published: 2026-09-16 Modified: 2026-10-28 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
AT: None
VC: High
VI: High
VA: High

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.

Affected Software (2)

VendorProductVersion
decaporg decap-cms 0 < 3.11.0
decaporg decap-cms 0 < 3.11.0

Bug Bounty Relevance

79 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.3 / 10.0 v4.0
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

EPSS — Exploitation Probability

0.44%
Raw Score 0.004410
Percentile 38.3%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00441
2026-10-28
0.00441

Intelligence Sources

mitre ref →
nvd ref →