CVE-2022-23740 Command injection in GitHub Enterprise Server

High 8.8 Published 23 Nov 2022 Updated 28 Apr 2025

An attacker with GitHub Pages build permissions can achieve remote code execution via improper argument neutralization in GitHub Enterprise Server.

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-2022-23740?

CVE-2022-23740 is a high-severity command injection vulnerability in Github Enterprise Server, published on 23 Nov 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

CRITICAL: An improper neutralization of argument delimiters in a command vulnerability was identified in GitHub Enterprise Server that enabled remote code execution. To exploit this vulnerability, an attacker would need permission to create and build GitHub Pages using GitHub Actions. 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.

Weakness: CWE-88

Which versions are affected by CVE-2022-23740?

It affects 1 product.

Products include Github Enterprise Server.

How do I fix CVE-2022-23740?

No fix has been published for CVE-2022-23740 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2022-23740 being exploited?

There is no known exploitation of CVE-2022-23740 in the wild and no public exploit code.

All Github Enterprise Server vulnerabilities

Sources

Also known as GHSA-pg25-36p5-jfv5.