https://reddit.com/r/cybersecurity/comments/1t772ef/remote_code_execution_in_githubcom_and_github/: Remote Code Execution in GitHub.com and GitHub Enterprise Server (CVE-2026-3854)
Published May 8, 2026
·Updated
Affected Software
2 affected components
GitHub github.com
GitHub GitHub Enterprise Server
Frequently Asked Questions
1
What is the severity of CVE-2026-3854?
CVE-2026-3854 is classified as a critical vulnerability due to the potential for remote code execution.
2
How do I fix CVE-2026-3854?
To fix CVE-2026-3854, GitHub Enterprise Server customers should immediately upgrade to the latest version released by GitHub.
3
Who is affected by CVE-2026-3854?
CVE-2026-3854 affects all authenticated users of GitHub.com and GitHub Enterprise Server.
4
What actions can an attacker perform with CVE-2026-3854?
An attacker exploiting CVE-2026-3854 can execute arbitrary commands on GitHub's backend servers via a single git push command.
5
Are there known exploits for CVE-2026-3854?
As of now, there are no publicly known exploits for CVE-2026-3854 despite its critical nature.