Path Traversal in GitLab

CVE-2026-85706

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.

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: 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.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-85706?
CVE-2026-85706 is a critical-severity vulnerability in GitLab, classified under Path Traversal. CVSS score: 10.0/10. Published 2026-09-12.
How severe is CVE-2026-85706?
Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2026-85706 known to be exploited?
Yes. CVE-2026-85706 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-09-11), indicating it is being actively exploited. 6 public proof-of-concept repositories are indexed.