CVE-2023-5356

Incorrect Authorization in GitLab

Published Jan 12, 2024 CVSS 3.1 · 7.3 High EPSS < 1% KEV · Not listed
Description
Incorrect authorization checks in GitLab CE/EE from all versions starting from 8.13 before 16.5.6, all versions starting from 16.6 before 16.6.4, all versions starting from 16.7 before 16.7.2, allows a user to abuse slack/mattermost integrations to execute slash commands as another user.

Remediation

Vendor Solution

Upgrade to versions 16.7.2, 16.6.4, 16.5.6 or above.

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2023-57672 Incorrect authorization checks in GitLab CE/EE from all versions starting from 8.13 before 16.5.6, all versions starting from 16.6 before 16.6.4, all versions starting from 16.7 before 16.7.2, allows a user to abuse slack/mattermost integrations to execute slash commands as another user.
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00026}

epss

{'score': 0.00048}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Weaknesses

Sources

Status
PUBLISHED
Assigner
GitLab
Published
Updated
Apr 28, 2026, 4:05 AM
Reserved
Oct 3, 2023, 12:30 PM
Status
Modified
Published
Jan 12, 2024, 2:15 PM
Modified
Jun 17, 2026, 6:48 AM