CVE-2020-13293: GitLab

High severity, CVSS 7.1. EPSS: 1% chance of exploitation in the next 30 days.

In GitLab before 13.0.12, 13.1.6 and 13.2.3 using a branch with a hexadecimal name could override an existing hash.

Affected products

• GitLab GitLab: from 1.0.0, before 13.0.12 (fixed in 13.0.12); from 13.1.0, before 13.1.6 (fixed in 13.1.6); from 13.2.0, before 13.2.3 (fixed in 13.2.3)

Published 2020-08-10. Last modified 2026-06-17.