Vulnerability Description
An improper access control vulnerability was identified in GitHub Enterprise Server that allowed users with access to any repository to retrieve limited code content from another repository by creating a diff between the repositories. To exploit this vulnerability, an attacker needed to know the name of a private repository along with its branches, tags, or commit SHAs that they could use to trigger compare/diff functionality and retrieve limited code without proper authorization. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.18, and was fixed in versions 3.14.17, 3.15.12, 3.16.8 and 3.17.5. This vulnerability was reported via the GitHub Bug Bounty program.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Github | Enterprise Server | < 3.14.17 |
Related Weaknesses (CWE)
References
- https://docs.github.com/en/[email protected]/admin/release-notes#3.14.17Release Notes
- https://docs.github.com/en/[email protected]/admin/release-notes#3.15.12Release Notes
- https://docs.github.com/en/[email protected]/admin/release-notes#3.16.8Release Notes
- https://docs.github.com/en/[email protected]/admin/release-notes#3.17.5Release Notes
FAQ
What is CVE-2025-8447?
CVE-2025-8447 is a vulnerability with a CVSS score of 3.1 (LOW). An improper access control vulnerability was identified in GitHub Enterprise Server that allowed users with access to any repository to retrieve limited code content from another repository by creatin...
How severe is CVE-2025-8447?
CVE-2025-8447 has been rated LOW with a CVSS base score of 3.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-8447?
Check the references section above for vendor advisories and patch information. Affected products include: Github Enterprise Server.