CVE-2026-78335

Incorrect Authorization in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.1 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 holding a project-scoped fine-grained Personal Access Token to modify integrations belonging to a group outside the token's scope, due to incorrect authorization checks.

Affected

GitLab

CVSS v3.1 GITLAB

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

EPSS

0.19% chance of exploitation in the next 30 days, 8th percentile

Published

2026-10-13

Updated

2026-10-16

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3893467

Security advisories

• https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released
• https://gitlab.com/gitlab-org/gitlab/-/work_items/621535

References

• CVE Record
• NVD entry