CVE-2026-85706

CRITICAL10.0Path traversal

CISA KEVPublic PoCNews

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 breakdown

CVSS 3.1

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

Affected products

gitlab / gitlab
gitlab / gitlab18.7.0 – 19.1.8
gitlab / gitlab18.7.0 – 19.1.8

Exploits & proofs of concept

nucleiGitLab CE/EE <=19.1.7/19.2.5/19.3.1 - Arbitrary File Readby FLX

News coverage

Maximum Severity GitLab Flaw Puts Supply Chains at RiskDark Reading · 6d ago

References

MISChttps://gitlab.com/gitlab-org/gitlab/-/work_items/627748
MISChttps://hackerone.com/reports/3909881

Updated 9m ago · 8 sources