CVE-2023-1621

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-06-06 · updated 2026-06-17

Description

An issue has been discovered in GitLab EE affecting all versions starting from 12.0 before 15.10.5, all versions starting from 15.11 before 15.11.1. A malicious group member may continue to commit to projects even from a restricted IP address.

Affected products

GitLab: from 12.0.0 before 15.10.5; from 15.11.0 before 15.11.1 — fixed in 15.10.5, 15.11.1

How to fix

Upgrade to a fixed version: GitLab 15.10.5, 15.11.1. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-1621.json
https://gitlab.com/gitlab-org/gitlab/-/issues/399774
https://hackerone.com/reports/1914049
https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-1621.json
https://gitlab.com/gitlab-org/gitlab/-/issues/399774
https://hackerone.com/reports/1914049

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