PT-2026-20504

An incorrect authorization vulnerability was identified in GitHub Enterprise Server that allowed an attacker to merge their own pull request into a repository without having push access by exploiting an authorization bypass in the enable auto merge mutation for pull requests. This issue only...

GitHub: PATs without the required scope can leak issues

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...

GitHub: Missing Access Control in MigrationFile allows attacker to upload files to any Migration

A Missing Authorization vulnerability was identified in GitHub Enterprise Server that allowed unauthorized content to be uploaded to a user's repository migration export due to a missing authorization check in the repository migration upload endpoint. The vulnerability could be exploited by...

CVE-2021-41599

A remote code execution vulnerability was identified in GitHub Enterprise Server that could be exploited when building a GitHub Pages site. To exploit this vulnerability, an attacker would need permission to create and build a GitHub Pages site on the GitHub Enterprise Server instance. This...

CVE-2021-22862

An improper access control vulnerability was identified in GitHub Enterprise Server that allowed an authenticated user with the ability to fork a repository to disclose Actions secrets for the parent repository of the fork. This vulnerability existed due to a flaw that allowed the base reference ...

CVE-2021-22867

A path traversal vulnerability was identified in GitHub Enterprise Server that could be exploited when building a GitHub Pages site. User-controlled configuration options used by GitHub Pages were not sufficiently restricted and made it possible to read files on the GitHub Enterprise Server...

CVE-2021-22863

An improper access control vulnerability was identified in the GitHub Enterprise Server GraphQL API that allowed authenticated users of the instance to modify the maintainer collaboration permission of a pull request without proper authorization. By exploiting this vulnerability, an attacker woul...

CVE-2021-22865

An improper access control vulnerability was identified in GitHub Enterprise Server that allowed access tokens generated from a GitHub App's web authentication flow to read private repository metadata via the REST API without having been granted the appropriate permissions. To exploit this...

CVE-2022-23738

An improper cache key vulnerability was identified in GitHub Enterprise Server that allowed an unauthorized actor to access private repository files through a public repository. To exploit this, an actor would need to already be authorized on the GitHub Enterprise Server instance, be able to crea...

CVE-2022-23734

A deserialization of untrusted data vulnerability was identified in GitHub Enterprise Server that could potentially lead to remote code execution on the SVNBridge. To exploit this vulnerability, an attacker would need to gain access via a server-side request forgery SSRF that would let an attacke...

CVE-2022-23739

An incorrect authorization vulnerability was identified in GitHub Enterprise Server, allowing for escalation of privileges in GraphQL API requests from GitHub Apps. This vulnerability allowed an app installed on an organization to gain access to and modify most organization-level resources that a...

CVE-2022-23740

CRITICAL: An improper neutralization of argument delimiters in a command vulnerability was identified in GitHub Enterprise Server that enabled remote code execution. To exploit this vulnerability, an attacker would need permission to create and build GitHub Pages using GitHub Actions. This...

CVE-2022-23737

An improper privilege management vulnerability was identified in GitHub Enterprise Server that allowed users with improper privileges to create or delete pages via the API. To exploit this vulnerability, an attacker would need to be added to an organization's repo with write permissions. This...

CVE-2020-10518

A remote code execution vulnerability was identified in GitHub Enterprise Server that could be exploited when building a GitHub Pages site. User-controlled configuration of the underlying parsers used by GitHub Pages were not sufficiently restricted and made it possible to execute commands on the...

CVE-2020-10516

An improper access control vulnerability was identified in the GitHub Enterprise Server API that allowed an organization member to escalate permissions and gain access to unauthorized repositories within an organization. This vulnerability affected all versions of GitHub Enterprise Server prior t...

CVE-2020-10517

An improper access control vulnerability was identified in GitHub Enterprise Server that allowed authenticated users of the instance to determine the names of unauthorized private repositories given their numerical IDs. This vulnerability did not allow unauthorized access to any repository conten...

CVE-2020-10519

A remote code execution vulnerability was identified in GitHub Enterprise Server that could be exploited when building a GitHub Pages site. User-controlled configuration of the underlying parsers used by GitHub Pages were not sufficiently restricted and made it possible to execute commands on the...

CVE-2025-13744

An Improper Neutralization of Input During Web Page Generation vulnerability was identified in GitHub Enterprise Server that allowed attacker controlled HTML to be rendered by the Filter component search across GitHub that could be used to exfiltrate sensitive information. An attacker would requi...

CVE-2024-2748

A Cross Site Request Forgery vulnerability was identified in GitHub Enterprise Server that allowed an attacker to execute unauthorized actions on behalf of an unsuspecting user. A mitigating factor is that user interaction is required. This vulnerability affected GitHub Enterprise Server 3.12.0 a...

CVE-2024-2440

A race condition in GitHub Enterprise Server allowed an existing admin to maintain permissions on a detached repository by making a GraphQL mutation to alter repository permissions while the repository is detached. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.13...