CVE-2022-0090

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-01-18 · updated 2026-06-17
Weakness: CWE-269

Description

An issue has been discovered affecting GitLab versions prior to 14.4.5, between 14.5.0 and 14.5.3, and between 14.6.0 and 14.6.1. GitLab is configured in a way that it doesn't ignore replacement references with git sub-commands, allowing a malicious user to spoof the contents of their commits in the UI.

Affected products

GitLab: before 14.4.5; from 14.5.0 before 14.5.3; from 14.6.0 before 14.6.1 — fixed in 14.4.5, 14.5.3, 14.6.1

How to fix

Upgrade to a fixed version: GitLab 14.4.5, 14.5.3, 14.6.1. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-0090.json
https://gitlab.com/gitlab-org/gitaly/-/issues/3948
https://hackerone.com/reports/1415964
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-0090.json
https://gitlab.com/gitlab-org/gitaly/-/issues/3948
https://hackerone.com/reports/1415964

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