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CVE-2023-4658

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CVE-2023-4658

Published: Dec 1, 2023

Modified: Apr 26, 2026

PUBLISHED

CVSS v3.1

3.1

LOW

Description

An issue has been discovered in GitLab EE affecting all versions starting from 8.13 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for an attacker to abuse the `Allowed to merge` permission as a guest user, when granted the permission through a group.

VendorProductVersions

GitLab

GitLab

affected
8.13 - < 16.4.3
affected
16.5 - < 16.5.3
affected
16.6 - < 16.6.1

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

References

GitLab Issue #423835
issue-tracking
permissions-required
HackerOne Bug Bounty Report #2104540
technical-description
exploit
permissions-required

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