CVE-2019-15581

Name: CVE-2019-15581
Creator: NVD / NIST
Published: 2020-01-28T03:15:10.34+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.97%

Last modified Jun 17, 2026

CVE-2019-15581 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. An IDOR exists in < 12.3.2, < 12.2.6, and < 12.1.12 for GitLab Community Edition (CE) and Enterprise Edition (EE) that allowed a project owner or maintainer to see the members of any private group via merge request approval rules.. EPSS estimates a 0.97% chance of exploitation in the next 30 days.

Description

An IDOR exists in < 12.3.2, < 12.2.6, and < 12.1.12 for GitLab Community Edition (CE) and Enterprise Edition (EE) that allowed a project owner or maintainer to see the members of any private group via merge request approval rules.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.97%

57.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 12.1.0, < 12.1.12
Gitlab	Gitlab	>= 12.2.0, < 12.2.6
Gitlab	Gitlab	>= 12.3.0, < 12.3.2

References

https://about.gitlab.com/blog/2019/09/30/security-release-gitlab-12-dot-3-dot-2-released/Vendor Advisory
https://hackerone.com/reports/518995Permissions Required
https://about.gitlab.com/blog/2019/09/30/security-release-gitlab-12-dot-3-dot-2-released/Vendor Advisory
https://hackerone.com/reports/518995Permissions Required

Timeline

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

Frequently Asked Questions

What is CVE-2019-15581?

How severe is CVE-2019-15581?

CVE-2019-15581 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.

How do I fix CVE-2019-15581?

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-2019-15581?

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

Scan your code now

Source: NVD / NIST