What is CVE-2018-16049?

CVE-2018-16049 is a critical-severity vulnerability in GitLab, classified under Insertion of Sensitive Information into Log File. CVSS score: 9.8/10. Published 2018-10-03.

How severe is CVE-2018-16049?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Information disclosure in GitLab

CVE-2018-16049

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 Sensitive Data Disclosure in Sidekiq Logs through an Error Message.

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

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.021 (81.4th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

GitLab

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

gitlab.com/gitlab-org/gitlab-ce/issues/46967 (Exploit, Vendor Advisory)
about.gitlab.com/2018/08/28/security-release-gitlab-11-dot-2-dot-2-released/ (Vendor Advisory)
gitlab.com/gitlab-org/gitlab-ce/issues/49272 (Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2018-16049?: CVE-2018-16049 is a critical-severity vulnerability in GitLab, classified under Insertion of Sensitive Information into Log File. CVSS score: 9.8/10. Published 2018-10-03.
How severe is CVE-2018-16049?: Critical severity. CVSS v3 base score is 9.8 out of 10.