What is CVE-2018-16048?

CVE-2018-16048 is a medium-severity vulnerability in GitLab, classified under Missing Authorization. CVSS score: 6.5/10. Published 2018-10-03.

How severe is CVE-2018-16048?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in GitLab

CVE-2018-16048

An issue was discovered in GitLab Community and Enterprise Edition before 11.0.6, 11.1.x before 11.1.5, and 11.2.x before 11.2.2. There is Missing Authorization Control for API Repository Storage.

Vulnerability class: Broken Access Control

Published 2018-10-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.009 (58.0th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

GitLab

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

gitlab.com/gitlab-org/gitlab-ce/issues/49947 (Vendor Advisory)
about.gitlab.com/2018/08/28/security-release-gitlab-11-dot-2-dot-2-released/ (Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2018-16048?: CVE-2018-16048 is a medium-severity vulnerability in GitLab, classified under Missing Authorization. CVSS score: 6.5/10. Published 2018-10-03.
How severe is CVE-2018-16048?: Medium severity. CVSS v3 base score is 6.5 out of 10.