What is CVE-2019-5468?

CVE-2019-5468 is a high-severity vulnerability in Giltlab GitLab, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2020-01-28.

How severe is CVE-2019-5468?

High severity. CVSS v3 base score is 8.8 out of 10.

Privilege escalation in Giltlab GitLab

CVE-2019-5468

An privilege escalation issue was discovered in Gitlab versions < 12.1.2, < 12.0.4, and < 11.11.6 when Mattermost slash commands are used with a blocked account.

Vulnerability class: Privilege Escalation

Published 2020-01-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.021 (81.4th percentile), scored 2026-10-06.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

Giltlab GitLab — versions before 12.1.2, before 12.0.4, before 11.11.6
GitLab

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

about.gitlab.com/releases/2019/07/29/security-release-gitlab-12-dot-1-dot-2-rel… (Patch, Release Notes, Vendor Advisory)
hackerone.com/reports/493562 (Permissions Required)
gitlab.com/gitlab-org/gitlab-ce/issues/57556 (Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2019-5468?: CVE-2019-5468 is a high-severity vulnerability in Giltlab GitLab, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2020-01-28.
How severe is CVE-2019-5468?: High severity. CVSS v3 base score is 8.8 out of 10.