What is CVE-2020-26412?

CVE-2020-26412 is a low-severity vulnerability in GitLab. CVSS score: 3.1/10. Published 2020-12-11.

How severe is CVE-2020-26412?

Low severity. CVSS v3 base score is 3.1 out of 10.

Vulnerability in GitLab

CVE-2020-26412

Removed group members were able to use the To-Do functionality to retrieve updated information on confidential epics starting in GitLab EE 13.2 before 13.6.2.

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

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.010 (61.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: +0.000

Affected products

GitLab
GitLab Ee — versions >=13.2, <13.4.7, >=13.5, <13.5.5, >=13.6, <13.6.2

References

gitlab.com/gitlab-org/gitlab/-/issues/228670 (Broken Link)
gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26412.json (Vendor Advisory)

Frequently asked questions

What is CVE-2020-26412?: CVE-2020-26412 is a low-severity vulnerability in GitLab. CVSS score: 3.1/10. Published 2020-12-11.
How severe is CVE-2020-26412?: Low severity. CVSS v3 base score is 3.1 out of 10.