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CVE-2023-5356

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CVE-2023-5356

Published: Jan 12, 2024

Modified: Apr 28, 2026

PUBLISHED

CVSS v3.1

7.3

HIGH

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.

VendorProductVersions

GitLab

GitLab

affected
8.13 - < 16.5.6
affected
16.6 - < 16.6.4
affected
16.7 - < 16.7.2

Weaknesses (CWE)

CWE-863

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

References

GitLab Issue #427154
issue-tracking
permissions-required
HackerOne Bug Bounty Report #2188868
technical-description
exploit
permissions-required

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