CVE-2020-26413

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 34.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-12-11 · updated 2026-06-17
Weakness: CWE-200

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.4 before 13.6.2. Information disclosure via GraphQL results in user email being unexpectedly visible.

Affected products

GitLab: from 13.4.0 before 13.6.2 — fixed in 13.6.2

How to fix

Upgrade to a fixed version: GitLab 13.6.2. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26413.json
https://gitlab.com/gitlab-org/gitlab/-/issues/244275
https://hackerone.com/reports/972355
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26413.json
https://gitlab.com/gitlab-org/gitlab/-/issues/244275
https://hackerone.com/reports/972355

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