EUVD-2026-40424

A stored cross-site scripting vulnerability was identified in GitHub Enterprise Server that allowed an authenticated attacker to execute arbitrary JavaScript in another user's browser by injecting a crafted payload into the title of a Discussion in the Q&A category...

CVE-2026-10585 Stored cross-site scripting vulnerability in GitHub Enterprise Server allowed arbitrary JavaScript execution via crafted Discussion titles in the Q&A category

A stored cross-site scripting vulnerability was identified in GitHub Enterprise Server that allowed an authenticated attacker to execute arbitrary JavaScript in another user's browser by injecting a crafted payload into the title of a Discussion in the Q&A category. The...

CVE-2026-10585 Stored cross-site scripting vulnerability in GitHub Enterprise Server allowed arbitrary JavaScript execution via crafted Discussion titles in the Q&A category

A stored cross-site scripting vulnerability was identified in GitHub Enterprise Server that allowed an authenticated attacker to execute arbitrary JavaScript in another user's browser by injecting a crafted payload into the title of a Discussion in the Q&A category. The...

CVE-2026-9132

A missing authorization vulnerability was identified in GitHub Enterprise Server that allowed an authenticated user to read source code from private repositories they did not have access to. The Copilot pull request description diff summary endpoint accepted a cross-repository comparison range an...

EUVD-2026-40408

A missing authorization vulnerability was identified in GitHub Enterprise Server that allowed an authenticated user to read source code from private repositories they did not have access to. The Copilot pull request description diff summary endpoint accepted a cross-repository comparison range an...

CVE-2026-9132

CVE-2026-9132 describes a missing authorization flaw in GitHub Enterprise Server where an authenticated user could read source code from private repositories via the Copilot pull request description diff summary endpoint. The vulnerability allowed a user with read access to at least one repositor...

CVE-2026-9132 Missing authorization vulnerability in GitHub Enterprise Server allowed disclosure of private repository contents via the Copilot pull request diff summary endpoint

A missing authorization vulnerability was identified in GitHub Enterprise Server that allowed an authenticated user to read source code from private repositories they did not have access to. The Copilot pull request description diff summary endpoint accepted a cross-repository comparison range an...

CVE-2026-9106 UI misrepresentation vulnerability in GitHub Enterprise Server allowed unauthorized organization runner management via undisclosed OAuth scope on consent screen

A UI misrepresentation vulnerability was identified in GitHub Enterprise Server that allowed an OAuth application to gain unintended access to an organization's runner management. An attacker could exploit this by creating an OAuth application requesting the managerunners:org scope and directing ...

CVE-2026-9106

The CVE-2026-9106 issue concerns GitHub Enterprise Server where a UI misrepresentation allowed an OAuth app to gain unauthorized access to an organization’s runner management. A victim could be tricked into authorizing an app requesting the manage_runners:org scope because the scope was not shown...

PT-2026-53989

Name of the Vulnerable Software and Affected Versions GitHub Enterprise Server versions prior to 3.21 Description An authenticated user can read source code from private repositories they are not authorized to access. The issue occurs because the Copilot pull request description diff summary...

PT-2026-54000

Name of the Vulnerable Software and Affected Versions GitHub Enterprise Server versions prior to 3.21 Description A stored cross-site scripting issue exists where an authenticated attacker can execute arbitrary JavaScript in another user's browser. This occurs by injecting a crafted payload into...

Exploit for Command Injection in Github Enterprise_Server

CVE-2026-3854 - GitHub Enterprise Server that allowed an Remot...

CVE-2026-7541

A denial of service vulnerability was identified in GitHub Enterprise Server that allowed an unauthenticated attacker to cause service disruption by sending crafted requests with deeply nested JSON payloads to an unauthenticated API endpoint. The endpoint parsed user-controlled JSON request bodie...

CVE-2026-5512

An improper authorization vulnerability was identified in GitHub Enterprise Server that allowed an authenticated attacker to determine the names of private repositories by their numeric ID. The mobile upload policy API endpoint did not perform an early authorization check, and validation error...

CVE-2026-6736

An authentication bypass vulnerability was identified in GitHub Enterprise Server that allowed an unauthenticated attacker to create a local user account, bypassing the configured external identity provider. When external authentication was enabled, the signup endpoint did not properly enforce th...

CVE-2026-8106

A reflected HTML injection vulnerability was identified in the GitHub Enterprise Server Management Console login page that could allow credential theft. The redirectto query parameter on the /setup/unlock endpoint was reflected into an HTML attribute without proper sanitization, enabling an...

CVE-2026-5921

A server-side request forgery SSRF vulnerability was identified in GitHub Enterprise Server that allowed an attacker to extract sensitive environment variables from the instance through a timing side-channel attack against the notebook rendering service. When private mode was disabled, the notebo...

CVE-2026-4821

An improper neutralization of special elements vulnerability was identified in GitHub Enterprise Server that allowed an authenticated Management Console administrator to execute arbitrary OS commands via shell metacharacter injection in proxy configuration fields such as httpproxy. Exploitation o...

CVE-2026-8034

A server-side request forgery SSRF vulnerability was identified in the GitHub Enterprise Server notebook viewer that allowed an attacker to access internal services by exploiting URL parser confusion between the validation layer and the HTTP request library. The hostname validation used a differe...

CVE-2026-8606

A Server-Side Request Forgery SSRF vulnerability was identified in GitHub Enterprise Server that allowed an attacker to cause the server to issue HTTP requests to internal services via the security advisories package lookup feature. By directing requests to an internal management service and...