CVE-2019-6995

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2019-09-09 · updated 2026-06-17
Weakness: CWE-281

Description

An issue was discovered in GitLab Community and Enterprise Edition 8.x, 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. Users are able to comment on locked project issues.

Affected products

GitLab: from 8.6.0 through 8.17.8; from 9.0.0 through 9.3.7; from 10.0.0 through 10.8.7; from 11.0.0 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/55537
https://about.gitlab.com/2019/01/31/security-release-gitlab-11-dot-7-dot-3-released/
https://gitlab.com/gitlab-org/gitlab-ce/issues/55537

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