What’s Vulnerable › Vulnerabilities

CVE-2023-46646

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-12-21 · updated 2026-06-17
• Weakness: CWE-639

Description

Improper access control in all versions of GitHub Enterprise Server allows unauthorized users to view private repository names via the "Get a check run" API endpoint. This vulnerability did not allow unauthorized access to any repository content besides the name. This vulnerability affected GitHub Enterprise Server version 3.7.0 and above and was fixed in version 3.17.19, 3.8.12, 3.9.7 3.10.4, and 3.11.0.

Affected products

• GitHub Enterprise Server: from 3.7.0 before 3.7.19; from 3.8.0 before 3.8.12; from 3.9.0 before 3.9.7; from 3.10.0 before 3.10.4 — fixed in 3.10.4, 3.7.19, 3.8.12, 3.9.7

How to fix

Upgrade to a fixed version: GitHub Enterprise Server 3.10.4, 3.7.19, 3.8.12, 3.9.7. Check the vendor advisory for mitigations.

References

• https://docs.github.com/en/enterprise-server@3.10/admin/release-notes#3.10.4
• https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.19
• https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.12
• https://docs.github.com/en/enterprise-server@3.9/admin/release-notes#3.9.7
• https://docs.github.com/en/enterprise-server@3.10/admin/release-notes#3.10.4
• https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.19
• https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.12
• https://docs.github.com/en/enterprise-server@3.9/admin/release-notes#3.9.7

Get alerted when CVE-2023-46646 or the next vulnerability affects your stack