What is CVE-2018-19494?

CVE-2018-19494 is a medium-severity vulnerability in GitLab, classified under Improper Access Control. CVSS score: 4.3/10. Published 2019-07-10.

How severe is CVE-2018-19494?

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

Vulnerability in GitLab

CVE-2018-19494

An issue was discovered in GitLab Community and Enterprise Edition 11.x before 11.3.11, 11.4.x before 11.4.8, and 11.5.x before 11.5.1. There is an incorrect access vulnerability that allows an unauthorized user to view private group names.

Published 2019-07-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (54.9th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.9% 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-284 — Improper Access Control

References

gitlab.com/gitlab-org/gitlab-ce/issues/51262 (Issue Tracking, Vendor Advisory)
about.gitlab.com/2018/11/28/security-release-gitlab-11-dot-5-dot-1-released/ (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2018-19494?: CVE-2018-19494 is a medium-severity vulnerability in GitLab, classified under Improper Access Control. CVSS score: 4.3/10. Published 2019-07-10.
How severe is CVE-2018-19494?: Medium severity. CVSS v3 base score is 4.3 out of 10.