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CVE-2023-4658 is an incorrect authorization vulnerability in GitLab Enterprise Edition in which a guest user could abuse the protected-branch "Allowed to merge" permission when that permission was granted through a group. The flaw affects GitLab EE versions starting from 8.13 before 16.4.3, starting from 16.5 before 16.5.3, and starting from 16.6 before 16.6.1. The issue stems from improper enforcement of authorization logic for merge permissions inherited via group membership, allowing a user with guest-level access to obtain merge capability that should not have been available at that privilege level.
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No public exploit code observed for this vulnerability.
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3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An incorrect authorization vulnerability in GitLab EE that could allow a guest user to abuse the 'Allowed to merge' permission when that permission is granted through a group.
A GitLab EE permission flaw allowing a guest user to abuse Allowed to merge permissions granted through a group, affecting protected branch integrity.
A low-severity GitLab EE authorization flaw allowing a guest user to abuse inherited Allowed to merge permissions and affect protected branch integrity.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.