CVE-2019-5468

Name: CVE-2019-5468
Creator: NVD / NIST
Published: 2020-01-28T03:15:11.107+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.14%

Last modified Jun 17, 2026

CVE-2019-5468 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 2.14% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

2.14%

79.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-269

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 11.11.0, < 11.11.6
Gitlab	Gitlab	>= 12.0.0, < 12.0.4
Gitlab	Gitlab	>= 12.1.0, < 12.1.2

References

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

Timeline

Published: Jan 28, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is 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.

How severe is CVE-2019-5468?

CVE-2019-5468 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.14% probability of exploitation in the next 30 days.

How do I fix CVE-2019-5468?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-5468?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST