What is CVE-2019-19309?

CVE-2019-19309 is a medium-severity vulnerability in GitLab. CVSS score: 4.3/10. Published 2020-01-03.

How severe is CVE-2019-19309?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in GitLab

CVE-2019-19309

GitLab Enterprise Edition (EE) 8.90 and later through 12.5 has Incorrect Access Control.

Published 2020-01-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (55.2th percentile), scored 2026-10-25.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.2% 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

References

about.gitlab.com/blog/categories/releases/ (Release Notes, Vendor Advisory)
about.gitlab.com/blog/2019/11/27/security-release-gitlab-12-5-1-released/ (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2019-19309?: CVE-2019-19309 is a medium-severity vulnerability in GitLab. CVSS score: 4.3/10. Published 2020-01-03.
How severe is CVE-2019-19309?: Medium severity. CVSS v3 base score is 4.3 out of 10.