An issue was discovered in GitLab CE/EE affecting all versions starting from 8.2 prior to 17.1.6 starting from 17.2 prior to 17.2.4, and starting from 17.3 prior to 17.3.1, which allows an attacker to create a branch with the same name as a deleted tag.
Exploitability
AV:NAC:LPR:LUI:RScope
S:UImpact
C:NI:HA:N5.7/CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:NOther