CVE-2023-23760 Path traversal in GitHub Enterprise Server leading to remote code execution

Medium 4.9 Published 8 Mar 2023 Updated 28 Feb 2025

Path traversal in GitHub Enterprise Server allows remote code execution during GitHub Pages site builds for users with site creation permissions.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-23760?

CVE-2023-23760 is a medium-severity path traversal vulnerability in Github Enterprise Server, published on 8 Mar 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A path traversal vulnerability was identified in GitHub Enterprise Server that allowed remote code execution when building a GitHub Pages site. To exploit this vulnerability, an attacker would need permission to create and build a GitHub Pages site on the GitHub Enterprise Server instance. This vulnerability affected all versions of GitHub Enterprise Server prior to versions 3.8 and was fixed in versions 3.7.7, 3.6.10, 3.5.14, and 3.4.17. This vulnerability was reported via the GitHub Bug Bounty program.

Weakness: CWE-22

Which versions are affected by CVE-2023-23760?

It affects 1 product.

Products include Github Enterprise Server.

How do I fix CVE-2023-23760?

No fix has been published for CVE-2023-23760 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2023-23760 being exploited?

There is no known exploitation of CVE-2023-23760 in the wild and no public exploit code.

All Github Enterprise Server vulnerabilities

Sources

Also known as GHSA-4v3r-cmjr-mjv9.