SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityReceived

CVE-2026-85706

GitLab Community Edition and Enterprise Edition Path Traversal Vulnerability

KEVCRITICAL 10.0EPSS 1.15%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 14 September 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.7 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that, under certain conditions, an unauthenticated user could have read arbitrary files from the GitLab server due to improper path confinement and missing authentication enforcement in the repository commits API.

CVSS 3.1
10.0 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
EPSS
1.15% probability · 65th percentile
CISA KEV
Listed 11 September 2026 · due 14 September 2026
Weakness
CWE-22
Source
cve@gitlab.com

CISA notes

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-2-released/ ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-85706

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.