CVE-2023-46646: GitHub Enterprise Server

Medium severity, CVSS 5.3. EPSS: 0.5% chance of exploitation in the next 30 days.

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 (fixed in 3.7.19); from 3.8.0, before 3.8.12 (fixed in 3.8.12); from 3.9.0, before 3.9.7 (fixed in 3.9.7); from 3.10.0, before 3.10.4 (fixed in 3.10.4)

Published 2023-12-21. Last modified 2026-06-17.