PT-2025-34727 · Github · Github Enterprise Server

Furbreeze · Published 2025-08-26 · Updated 2026-01-11 · CVE-2025-8447

Positive Technologies (AI Summary)

CVSS v4.0

7.0

High

Base vector

AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions: GitHub Enterprise Server versions prior to 3.18 GitHub Enterprise Server versions 3.14.17 GitHub Enterprise Server versions 3.15.12 GitHub Enterprise Server versions 3.16.8 GitHub Enterprise Server versions 3.17.5

Description: An improper access control issue was identified in GitHub Enterprise Server that allowed users with repository access to retrieve limited code content from other repositories. An attacker needed to know the name of a private repository, along with its branches, tags, or commit SHAs, to trigger compare/diff functionality and retrieve code without authorization.

Recommendations: Update to GitHub Enterprise Server version 3.14.17. Update to GitHub Enterprise Server version 3.15.12. Update to GitHub Enterprise Server version 3.16.8. Update to GitHub Enterprise Server version 3.17.5. Update to GitHub Enterprise Server version 3.18.

Fix

IDOR

Weakness Enumeration

CWE-639

Related Identifiers

CVE-2025-8447

Affected Products

Github Enterprise Server

References · 11

• https://osv.dev/vulnerability/CVE-2025-8447 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-8447 · Security Note
• https://twitter.com/farhansec/status/2010347567205486786 · Twitter Post
• https://twitter.com/BaseFortify/status/1960246265012162814 · Twitter Post
• https://twitter.com/CVEnew/status/1960185556736069729 · Twitter Post
• https://docs.github.com/en/enterprise-server@3.15/admin/release-notes#3.15.12 · Note
• https://t.me/cveNotify/133399 · Telegram Post
• https://t.me/CVEtracker/30884 · Telegram Post
• https://docs.github.com/en/enterprise-server@3.14/admin/release-notes#3.14.17 · Note
• https://docs.github.com/en/enterprise-server@3.16/admin/release-notes#3.16.8 · Note
• https://docs.github.com/en/enterprise-server@3.17/admin/release-notes#3.17.5 · Note