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...

CVE-2026-10585: Improper Neutralization of Input During Web Page Generation

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...

Exploit for Command Injection in Github Enterprise_Server

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

The vulnerability of the final loading point of the corporate version of the GitHub Enterprise Server, which allows a violator to disclose protected information

The vulnerability of the final download point of the corporate version of the GitHub Enterprise Server is related to insufficient validation of requests on the server side. Exploiting this vulnerability can allow a malicious actor to disclose protected information remotely...

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...

CVE-2026-9312

A server-side request forgery SSRF vulnerability was identified in GitHub Enterprise Server that allowed an unauthenticated attacker to send crafted requests to internal services by exploiting insufficient input validation in an upload endpoint. By injecting path traversal content into request...

CVE-2026-9312

A server-side request forgery SSRF vulnerability was identified in GitHub Enterprise Server that allowed an unauthenticated attacker to send crafted requests to internal services by exploiting insufficient input validation in an upload endpoint. By injecting path traversal content into request...

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...

CVE-2026-9312

CVE-2026-9312 – GitHub Enterprise Server SSRF : An unauthenticated attacker could exploit insufficient input validation in an upload endpoint to inject path traversal and redirect internal API calls, potentially accessing internal services and sensitive credentials. Affected: all GitHub Enterpris...

CVE-2026-9312 Server-Side Request Forgery vulnerability in GitHub Enterprise Server allowed access to internal services via path traversal in upload endpoint

A server-side request forgery SSRF vulnerability was identified in GitHub Enterprise Server that allowed an unauthenticated attacker to send crafted requests to internal services by exploiting insufficient input validation in an upload endpoint. By injecting path traversal content into request...

EUVD-2026-32027

A server-side request forgery SSRF vulnerability was identified in GitHub Enterprise Server that allowed an unauthenticated attacker to send crafted requests to internal services by exploiting insufficient input validation in an upload endpoint. By injecting path traversal content into request...

CVE-2026-9312

A server-side request forgery SSRF vulnerability was identified in GitHub Enterprise Server that allowed an unauthenticated attacker to send crafted requests to internal services by exploiting insufficient input validation in an upload endpoint. By injecting path traversal content into request...

GitHub Enterprise Server 安全漏洞

GitHub Enterprise Server is an open-source application developed by GitHub in the United States. It provides a scalable and easy-to-manage platform by allowing users to set their GitHub instances as virtual devices. Prior to version 3.21.1 of GitHub Enterprise Server, there was a security...