Details for this vulnerability have not been published by NIST at this point. Descriptions from software vendor advisories for this issue are provided below.
Privilege escalation for external users when OIDC is enabled under certain conditions
Account takeover through open redirect for Group SAML accounts
Users on banned IP addresses can still commit to projects
User with developer role (group) can modify Protected branches setting on imported project and leak group CI/CD variables
The Gitlab web interface does not guarantee file integrity when downloading source code or installation packages from a tag or from a release.
Banned group member continues to have access to the public projects of a public group with the access level as same as before the ban.
The main branch of a repository with a specially designed name allows an attacker to create repositories with malicious code.
XSS and content injection and iframe injection when viewing raw files on iOS devices
Authenticated users can find other users by their private email
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