CVE-2025-6600 MEDIUM

CVE-2025-6600: GitHub Enterprise Server Information Disclosure Vulnerability Exposes Private Repository Names via Search API

Vendor Github
Product GitHub Enterprise Server
Weakness CWE-200 · Info exposure
Published July 1, 2025
Last update July 1, 2025

CVSS base score

6.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N

What the vulnerability does

01Description

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 Bounty program.

Key dates

02Disclosure timeline

July 1, 2025 CVE published
July 1, 2025 Record updated