What is CVE-2018-18641?

CVE-2018-18641 is a critical-severity vulnerability in GitLab, classified under Cleartext Storage of Sensitive Information. CVSS score: 9.8/10. Published 2018-12-04.

How severe is CVE-2018-18641?

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

Vulnerability in GitLab

CVE-2018-18641

An issue was discovered in GitLab Community and Enterprise Edition before 11.2.7, 11.3.x before 11.3.8, and 11.4.x before 11.4.3. It has Cleartext Storage of Sensitive Information.

Published 2018-12-04 · 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: 0.009 (59.2th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.2% 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-312 — Cleartext Storage of Sensitive Information

References

gitlab.com/gitlab-org/gitlab-ce/issues/51113 (Issue Tracking, Vendor Advisory)
about.gitlab.com/2018/10/29/security-release-gitlab-11-dot-4-dot-3-released/ (Vendor Advisory)

Frequently asked questions

What is CVE-2018-18641?: CVE-2018-18641 is a critical-severity vulnerability in GitLab, classified under Cleartext Storage of Sensitive Information. CVSS score: 9.8/10. Published 2018-12-04.
How severe is CVE-2018-18641?: Critical severity. CVSS v3 base score is 9.8 out of 10.