CVE-2023-1417

Severity: medium (CVSS 4.3 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: none known
Published: 2023-04-05 · updated 2026-06-17
Weakness: CWE-863

Description

An issue has been discovered in GitLab affecting all versions starting from 15.9 before 15.9.4, all versions starting from 15.10 before 15.10.1. It was possible for an unauthorised user to add child epics linked to victim's epic in an unrelated group.

Affected products

GitLab: from 15.9.0 before 15.9.4; 15.10.0 — fixed in 15.9.4

How to fix

Upgrade to a fixed version: GitLab 15.9.4. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-1417.json
https://gitlab.com/gitlab-org/gitlab/-/issues/396720
https://hackerone.com/reports/1892200
https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-1417.json
https://gitlab.com/gitlab-org/gitlab/-/issues/396720
https://hackerone.com/reports/1892200

Get alerted when CVE-2023-1417 or the next vulnerability affects your stack