CVE-2022-3288

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-10-17 · updated 2026-06-17
Weakness: CWE-471

Description

A branch/tag name confusion in GitLab CE/EE affecting all versions prior to 15.2.5, 15.3 prior to 15.3.4, and 15.4 prior to 15.4.1 allows an attacker to manipulate pages where the content of the default branch would be expected.

Affected products

GitLab: before 15.2.5; from 15.3 before 15.3.4; from 15.4 before 15.4.1 — fixed in 15.2.5, 15.3.4, 15.4.1

How to fix

Upgrade to a fixed version: GitLab 15.2.5, 15.3.4, 15.4.1. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-3288.json
https://gitlab.com/gitlab-org/gitlab/-/issues/354948
https://hackerone.com/reports/1498354
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-3288.json
https://gitlab.com/gitlab-org/gitlab/-/issues/354948
https://hackerone.com/reports/1498354
https://gitlab.com/gitlab-org/gitlab/-/issues/354948

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