CVE-2026-85706

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in GitLab

State: Published
Severity: 10.0 Critical
Published: Sep 12, 2026
Updated: Sep 23, 2026
Reserved: Sep 4, 2026

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.7 before 18.11.12, 19.0 before 19.0.9, 19.1 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.

Scores

CVSS	Score	Vector	Source
3.1	10.0 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N	GitLab

Weaknesses

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected Products

Product	Versions
GitLabGitLab	18.7 to before 18.11.12Affected 19.0 to before 19.0.9Affected 19.1 to before 19.1.8Affected 19.2 to before 19.2.6Affected 19.3 to before 19.3.2Affected

References

https://gitlab.com/gitlab-org/gitlab/-/work_items/627748
HackerOne Bug Bounty Report #3909881technical-descriptionexploitpermissions-required
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85706government-resource

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