CVE-2023-5356

HighCVSS 8.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-863

Affected software

VendorProductVersions
GitLabGitLab>= 8.13, < 16.5.6; >= 16.6, < 16.6.4; >= 16.7, < 16.7.2

References

Timeline

Published
Jan 12, 2024
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2023

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CVE-2023-5356: High severity, CVSS 8.8 | Vulnix