CVE-2026-3582: Incorrect Authorization in GitHub Enterprise Server allows access to issue and commit search results without repo scope
An Incorrect Authorization vulnerability was identified in GitHub Enterprise Server that allowed an authenticated user with a classic personal access token (PAT) lacking the repo scope to retrieve issues and commits from private and internal repositories via the search REST API endpoints. The user must have had existing access to the repository through organization membership or as a collaborator for the vulnerability to be exploitable. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.20 and was fixed in versions 3.16.15, 3.17.12, 3.18.6 and 3.19.3. This vulnerability was reported via the GitHub Bug Bounty program.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-3582?
CVE-2026-3582 has a medium severity rating due to the potential for unauthorized access to sensitive data.
How do I fix CVE-2026-3582?
To mitigate CVE-2026-3582, update GitHub Enterprise Server to a version beyond 3.20 or apply the provided patches from GitHub.
Who is affected by CVE-2026-3582?
CVE-2026-3582 affects authenticated users of GitHub Enterprise Server versions 3.20 and earlier with classic personal access tokens.
What vulnerabilities does CVE-2026-3582 exploit?
CVE-2026-3582 exploits incorrect authorization, enabling access to issue and commit search results without the necessary repo scope.
What is the impact of CVE-2026-3582?
The impact of CVE-2026-3582 allows users to potentially view and access sensitive repository data they are not authorized to see.