CVE-2026-103549 PUBLISHED

Incorrect Authorization in GitLab

Assigner: GitLab
Reserved: 30.09.2026 Published: 13.10.2026 Updated: 13.10.2026

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.6 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user with maintainer-role permissions to remove certain package registry metadata that package protection rules restrict to higher roles, due to improper authorization checks.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
CVSS Score: 2.7

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	High	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	GitLab
Product	GitLab
Versions	Default: unaffected affected from 17.6 to 19.2.8 (excl.) affected from 19.3 to 19.3.5 (excl.) affected from 19.4 to 19.4.2 (excl.)

Solutions

Upgrade to versions 19.2.8, 19.3.5, 19.4.2 or above.

Credits

This vulnerability has been discovered internally by a GitLab team member. finder

References

Problem Types

CWE-863: Incorrect Authorization CWE