What is CVE-2020-26416?

CVE-2020-26416 is a medium-severity vulnerability in GitLab, classified under Insertion of Sensitive Information into Log File. CVSS score: 4.0/10. Published 2020-12-11.

How severe is CVE-2020-26416?

Medium severity. CVSS v3 base score is 4.0 out of 10.

Information disclosure in GitLab

CVE-2020-26416

Information disclosure in Advanced Search component of GitLab EE starting from 8.4 results in exposure of search terms via Rails logs. This affects versions >=8.4 to <13.4.7, >=13.5 to <13.5.5, and >=13.6 to <13.6.2.

Published 2020-12-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (23.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

GitLab
GitLab Ee — versions >=8.4 to <13.4.7, >=13.5 to <13.5.5, >=13.6 to <13.6.2

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

gitlab.com/gitlab-org/gitlab/-/issues/244495 (Broken Link)
gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26416.json (Third Party Advisory)

Frequently asked questions

What is CVE-2020-26416?: CVE-2020-26416 is a medium-severity vulnerability in GitLab, classified under Insertion of Sensitive Information into Log File. CVSS score: 4.0/10. Published 2020-12-11.
How severe is CVE-2020-26416?: Medium severity. CVSS v3 base score is 4.0 out of 10.