CVE-2023-23761

An improper authentication vulnerability was identified in GitHub Enterprise Server that allowed an unauthorized actor to modify other users' secret gists by authenticating through an SSH certificate authority. To do so, a user had to know the secret gist's URL. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.9 and was fixed in versions 3.4.18, 3.5.15, 3.6.11, 3.7.8, and 3.8.1. This vulnerability was reported via the GitHub Bug Bounty program.

• CWE-287
• CWE-287

• https://docs.github.com/en/enterprise-server@3.4/admin/release-notes#3.4.18Release Notes
• https://docs.github.com/en/enterprise-server@3.5/admin/release-notes#3.5.15Release Notes
• https://docs.github.com/en/enterprise-server@3.6/admin/release-notes#3.6.11Release Notes
• https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.8Release Notes
• https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.1Release Notes
• https://docs.github.com/en/enterprise-server@3.4/admin/release-notes#3.4.18Release Notes
• https://docs.github.com/en/enterprise-server@3.5/admin/release-notes#3.5.15Release Notes
• https://docs.github.com/en/enterprise-server@3.6/admin/release-notes#3.6.11Release Notes
• https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.8Release Notes
• https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.1Release Notes

Published

Apr 7, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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