What is CVE-2026-18244?

CVE-2026-18244 is a medium-severity vulnerability in GitLab, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-08-12.

How severe is CVE-2026-18244?

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

Auth bypass in GitLab

CVE-2026-18244

GitLab has remediated an issue in GitLab EE affecting all versions from 17.7 before 19.0.6, 19.1 before 19.1.4, and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user to view restricted configuration settings due to improper authorization checks on a group settings page.

Vulnerability class: Broken Access Control

Published 2026-08-12 · last modified 2026-08-19.

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: 0.003 (18.4th percentile), scored 2026-09-27.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

GitLab — versions 17.7, 19.1, 19.2

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-2-released/ (Release Notes, Vendor Advisory)
gitlab.com/gitlab-org/gitlab/-/work_items/597953 (Broken Link)

Frequently asked questions

What is CVE-2026-18244?: CVE-2026-18244 is a medium-severity vulnerability in GitLab, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-08-12.
How severe is CVE-2026-18244?: Medium severity. CVSS v3 base score is 4.3 out of 10.