CVE-2022-3902

Severity: medium (CVSS 6.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-01-26 · updated 2026-06-17
Weakness: CWE-532

Description

An issue has been discovered in GitLab affecting all versions starting from 9.3 before 15.4.6, all versions starting from 15.5 before 15.5.5, all versions starting from 15.6 before 15.6.1. It was possible for a project maintainer to unmask webhook secret tokens by reviewing the logs after testing webhooks.

Affected products

GitLab: from 9.3.0 before 15.4.6; from 15.5.0 before 15.5.5; 15.6.0 — fixed in 15.4.6, 15.5.5

How to fix

Upgrade to a fixed version: GitLab 15.4.6, 15.5.5. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-3902.json
https://gitlab.com/gitlab-org/gitlab/-/issues/381895
https://hackerone.com/reports/1757999
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-3902.json
https://gitlab.com/gitlab-org/gitlab/-/issues/381895
https://hackerone.com/reports/1757999

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