What is CVE-2019-9221?

CVE-2019-9221 is a medium-severity vulnerability in GitLab, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2019-05-29.

How severe is CVE-2019-9221?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Improper input validation in GitLab

CVE-2019-9221

An issue was discovered in GitLab Community and Enterprise Edition before 11.6.10, 11.7.x before 11.7.6, and 11.8.x before 11.8.1. It has Incorrect Access Control (issue 3 of 5).

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2019-05-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (37.6th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

GitLab

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

about.gitlab.com/blog/categories/releases/ (Release Notes, Vendor Advisory)
about.gitlab.com/2019/03/04/security-release-gitlab-11-dot-8-dot-1-released/ (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2019-9221?: CVE-2019-9221 is a medium-severity vulnerability in GitLab, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2019-05-29.
How severe is CVE-2019-9221?: Medium severity. CVSS v3 base score is 5.5 out of 10.