CVE-2026-5796: Incorrect Authorization in GitLab
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.6 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user with Reporter-level group permissions to view package metadata from projects with the Package Registry disabled due to incorrect authorization checks in the group packages feature.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
GitLab CE/EEto a version that resolves this vulnerability.Fixed in 18.11.6 - Upgrade
Upgrade
GitLab CE/EEto a version that resolves this vulnerability.Fixed in 19.0.3 - Upgrade
Upgrade
GitLab CE/EEto a version that resolves this vulnerability.Fixed in 19.1.1
Event History
Frequently Asked Questions
What is the severity of CVE-2026-5796?
The severity of CVE-2026-5796 is medium with a score of 4.3.
How do I fix CVE-2026-5796?
To fix CVE-2026-5796, update GitLab CE/EE to version 18.11.6, 19.0.3, or 19.1.1 or later.
What systems are affected by CVE-2026-5796?
CVE-2026-5796 affects all versions of GitLab CE/EE from 13.6 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1.
What type of vulnerability is CVE-2026-5796?
CVE-2026-5796 is classified as an incorrect authorization vulnerability.
Who could exploit CVE-2026-5796?
An authenticated user with Reporter-level group permissions could exploit CVE-2026-5796 if under certain conditions.