CVE-2023-3509: Incorrect Authorization in GitLab

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-02-21 · updated 2026-06-17
Weakness: CWE-863

Description

An issue has been discovered in GitLab affecting all versions before 16.7.6, all versions starting from 16.8 before 16.8.3, all versions starting from 16.9 before 16.9.1. It was possible for group members with sub-maintainer role to change the title of privately accessible deploy keys associated with projects in the group.

Affected products

GitLab: through 16.7.6; from 16.8.0 through 16.8.3; 16.9.0

References

https://gitlab.com/gitlab-org/gitlab/-/issues/416945
https://hackerone.com/reports/2037814
https://gitlab.com/gitlab-org/gitlab/-/issues/416945
https://hackerone.com/reports/2037814

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