CVE-2019-7155

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2019-04-16 · updated 2026-06-17
Weakness: CWE-269

Description

An issue was discovered in GitLab Community and Enterprise Edition 9.x, 10.x, and 11.x before 11.5.8, 11.6.x before 11.6.6, and 11.7.x before 11.7.1. It has Incorrect Access Control. A user retains their role within a project in a private group after being removed from the group, if their privileges within the project are different from the group.

Affected products

GitLab: from 9.0.0 before 11.5.8; from 11.6.0 before 11.6.6; from 11.7.0 before 11.7.1 — fixed in 11.5.8, 11.6.6, 11.7.1

How to fix

Upgrade to a fixed version: GitLab 11.5.8, 11.6.6, 11.7.1. Check the vendor advisory for mitigations.

References

https://about.gitlab.com/2019/01/31/security-release-gitlab-11-dot-7-dot-3-released/
https://gitlab.com/gitlab-org/gitlab-ce/issues/42726
https://about.gitlab.com/2019/01/31/security-release-gitlab-11-dot-7-dot-3-released/
https://gitlab.com/gitlab-org/gitlab-ce/issues/42726

Get alerted when CVE-2019-7155 or the next vulnerability affects your stack