Vulnerabilities

Vulnerability · CVE-2025-6600

An exposure of sensitive information vulnerability was identified in GitHub Enterprise Server that could allow an attacker to disclose the names of private repositories within an o

Published Jul 1, 2025 · catalog updated Jul 1, 2025 · GitHub GitHub Enterprise Server

Check if you run it

No confirmed exploitation is on record for CVE-2025-6600. EPSS is 0.33%. Act only if a listed version of GitHub GitHub Enterprise Server is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.33%
Remediation
Vendor / distro source
Affected products
vendor GitHub GitHub Enterprise Server 3.17.0 ≤3.17.1

An exposure of sensitive information vulnerability was identified in GitHub Enterprise Server that could allow an attacker to disclose the names of private repositories within an organization. This issue could be exploited by leveraging a user-to-server token with no scopes via the Search API endpoint. Successful exploitation required an organization administrator to install a malicious GitHub App in the organization’s repositories. This vulnerability impacted only GitHub Enterprise Server version 3.17 and was addressed in version 3.17.2. The vulnerability was reported through the GitHub Bug B

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor GitHub GitHub Enterprise Server 3.17.0 ≤3.17.13.17.0 ≤3.17.1

How to fix CVE-2025-6600

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-6600. EPSS is 0.33%. Act only if a listed version of GitHub GitHub Enterprise Server is installed.

Which versions are affected?

Compare what you have installed with GitHub GitHub Enterprise Server 3.17.0 ≤3.17.1 3.17.0 ≤3.17.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.33%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 1, 2025 · EUVD

    Detected

    An exposure of sensitive information vulnerability was identified in GitHub Enterprise Server that could allow an attacker to disclose the names of private repositories within an organization. This issue could be exploited by leveraging a user-to-server token with no scopes via the Search API endpoint. Successful exploitation required an organization administrator to install a malicious GitHub App

  2. Jul 1, 2025 · EUVD

    Updated

    An exposure of sensitive information vulnerability was identified in GitHub Enterprise Server that could allow an attacker to disclose the names of private repositories within an organization. This issue could be exploited by leveraging a user-to-server token with no scopes via the Search API endpoint. Successful exploitation required an organization administrator to install a malicious GitHub App

Sources

  • CVE.orgVulnerability recordCVE-2025-6600

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-6600

    30-day exploitation probability 0.33%

    first.org
  • EUVDVulnerability recordEUVD-2025-19654

    An exposure of sensitive information vulnerability was identified in GitHub Enterprise Server that could allow an attacker to disclose the names of private repositories within an organization. This issue could be exploited by leveraging a user-to-server token with no scopes via t

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

CVE-2025-6600: An exposure of sensitive information vulnerability w… · ZeroDay Findings