CVE-2024-2440: GitHub Enterprise Server

Medium severity, CVSS 5.9. EPSS: 0.5% chance of exploitation in the next 30 days.

A race condition in GitHub Enterprise Server allowed an existing admin to maintain permissions on a detached repository by making a GraphQL mutation to alter repository permissions while the repository is detached. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.13 and was fixed in versions 3.9.13, 3.10.10, 3.11.8 and 3.12.1. This vulnerability was reported via the GitHub Bug Bounty program.

Affected products

• GitHub Enterprise Server: before 3.9.13 (fixed in 3.9.13); from 3.10.0, before 3.10.10 (fixed in 3.10.10); from 3.11.0, before 3.11.8 (fixed in 3.11.8); from 3.12.0, before 3.12.1 (fixed in 3.12.1)

Published 2024-04-19. Last modified 2026-06-17.