CVE-2026-1663

Missing Authorization in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 14.4 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an authenticated user with group import permissions to create labels in private projects due to improper authorization validation in the group import process under certain circumstances.

Affected

GitLab

CVSS v3.1 GITLAB

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

EPSS

0.24% chance of exploitation in the next 30 days, 14th percentile

Published

2026-03-11

Updated

2026-03-12

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3485548

Security advisories

• https://about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released

References

• CVE Record
• NVD entry