What is CVE-2019-15721?

CVE-2019-15721 is a medium-severity vulnerability in GitLab, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 5.4/10. Published 2019-09-16.

How severe is CVE-2019-15721?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Vulnerability in GitLab

CVE-2019-15721

An issue was discovered in GitLab Community and Enterprise Edition 10.8 through 12.2.1. An internal endpoint unintentionally allowed group maintainers to view and edit group runner settings.

Published 2019-09-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (53.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

GitLab

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

gitlab.com/gitlab-org/gitlab-ce/issues/61981 (Broken Link)
about.gitlab.com/2019/08/29/security-release-gitlab-12-dot-2-dot-3-released/ (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2019-15721?: CVE-2019-15721 is a medium-severity vulnerability in GitLab, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 5.4/10. Published 2019-09-16.
How severe is CVE-2019-15721?: Medium severity. CVSS v3 base score is 5.4 out of 10.