CVE-2022-23738: GitHub Enterprise Server

Medium severity, CVSS 5.7. EPSS: 0.7% chance of exploitation in the next 30 days.

An improper cache key vulnerability was identified in GitHub Enterprise Server that allowed an unauthorized actor to access private repository files through a public repository. To exploit this, an actor would need to already be authorized on the GitHub Enterprise Server instance, be able to create a public repository, and have a site administrator visit a specially crafted URL. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.6 and was fixed in versions 3.2.20, 3.3.15, 3.4.10, 3.5.7, 3.6.3. This vulnerability was reported via the GitHub Bug Bounty program.

Affected products

• GitHub Enterprise Server: from 3.2.0, before 3.2.20 (fixed in 3.2.20); from 3.3.0, before 3.3.15 (fixed in 3.3.15); from 3.4.0, before 3.4.10 (fixed in 3.4.10); from 3.5.0, before 3.5.7 (fixed in 3.5.7); from 3.6.0, before 3.6.3 (fixed in 3.6.3)

Published 2022-11-01. Last modified 2026-06-17.