CVE-2026-14341

MEDIUM 4.9

Missing Authorization in GitLab

CVSS Score

4.9

EPSS Score

0.0%

EPSS Percentile

0th

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user with Maintainer role to modify protected branch configuration due to improper authorization in a projects API endpoint.

CWE	CWE-862
Vendor	gitlab
Product	gitlab
Ecosystems	DevTools
Industries	Technology
Published	Jul 29, 2026
Last Updated	Jul 29, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Affected Versions

GitLab / GitLab

12.8 < 19.0.5 19.1 < 19.1.3 19.2 < 19.2.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

gitlab.com: https://gitlab.com/gitlab-org/gitlab/-/work_items/604665 hackerone.com: https://hackerone.com/reports/3807593 docs.gitlab.com: https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released/

Credits

Thanks [slide123](https://hackerone.com/slide123) for reporting this vulnerability through our HackerOne bug bounty program