CVE-2018-19584

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2019-07-10 · updated 2026-06-17
Weakness: CWE-639

Description

GitLab EE, versions 11.x before 11.3.11, 11.4 before 11.4.8, and 11.5 before 11.5.1, is vulnerable to an insecure direct object reference vulnerability that allows authenticated, but unauthorized, users to view members and milestone details of private groups.

Affected products

GitLab: from 11.0.0 before 11.3.11; from 11.4.0 before 11.4.8; from 11.5.0 before 11.5.1 — fixed in 11.3.11, 11.4.8, 11.5.1

How to fix

Upgrade to a fixed version: GitLab 11.3.11, 11.4.8, 11.5.1. Check the vendor advisory for mitigations.

References

https://about.gitlab.com/2018/11/28/security-release-gitlab-11-dot-5-dot-1-released/
https://gitlab.com/gitlab-org/gitlab-ce/issues/52522
https://about.gitlab.com/2018/11/28/security-release-gitlab-11-dot-5-dot-1-released/
https://gitlab.com/gitlab-org/gitlab-ce/issues/52522

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