CVE-2026-8030

MEDIUM 4.3

Missing Authorization in GitLab

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an authenticated user to prevent another user from modifying their group settings due to improper validation of group URL slugs during namespace transfers.

CWE	CWE-862
Vendor	gitlab
Product	gitlab
Ecosystems	DevTools
Industries	Technology
Published	Sep 16, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Affected Versions

GitLab / GitLab

13.0 < 19.1.8 19.2 < 19.2.6 19.3 < 19.3.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

gitlab.com: https://gitlab.com/gitlab-org/gitlab/-/work_items/599240 hackerone.com: https://hackerone.com/reports/3689558 docs.gitlab.com: https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-2-released/

Credits

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