CVE-2025-6981: GitHub Enterprise Server

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

An incorrect authorization vulnerability allowed unauthorized read access to the contents of internal repositories for contractor accounts when the Contractors API feature was enabled. The Contractors API is a rarely-enabled feature in private preview. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.18 and was fixed in versions 3.14.15, 3.15.10, 3.16.6 and 3.17.3

Affected products

• GitHub Enterprise Server: before 3.14.5 (fixed in 3.14.5); from 3.15.0, before 3.15.10 (fixed in 3.15.10); from 3.16.0, before 3.16.6 (fixed in 3.16.6); from 3.17.0, before 3.17.3 (fixed in 3.17.3)

Published 2025-07-15. Last modified 2026-06-17.