CVE-2022-46255: GitHub Enterprise Server

Critical severity, CVSS 9.8. EPSS: 1.5% chance of exploitation in the next 30 days.

An improper limitation of a pathname to a restricted directory vulnerability was identified in GitHub Enterprise Server that enabled remote code execution. A check was added within Pages to ensure the working directory is clean before unpacking new content to prevent an arbitrary file overwrite bug. This vulnerability affected only version 3.7.0 of GitHub Enterprise Server and was fixed in version 3.7.1. This vulnerability was reported via the GitHub Bug Bounty program.

Affected products

• GitHub Enterprise Server: version 3.7.0 only

Published 2022-12-14. Last modified 2026-06-17.