Github Enterprise Authenticated Remote Code Execution

An unsafe reflection vulnerability was identified in GitHub Enterprise Server that could lead to reflection injection. This vulnerability could lead to the execution of user-controlled methods and remote code execution. To exploit this bug, an actor would need to be logged into an account on the...

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-2026-3307

An authorization bypass vulnerability was identified in GitHub Enterprise Server that allowed an attacker with admin access on one repository to modify the secret scanning push protection delegated bypass reviewer list on another repository by manipulating the ownerid parameter in the request bod...

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-2026-5845

An improper authorization vulnerability in scoped user-to-server ghu token authorization in GitHub Enterprise Server allows an authenticated attacker to access private repositories outside the intended installation scope, which can include write operations, via an authorization fallback that...

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...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization via host resolution in the CLI authentication layer. An attacker can obtain authentication tokens intended for GitHub or GitHub Enterprise by causing authenticated requests to be sent to external hosts, as the ho...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization via host resolution in the CLI authentication layer. An attacker can obtain authentication tokens intended for GitHub or GitHub Enterprise by causing authenticated requests to be sent to external hosts, as the ho...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization via host resolution in the CLI authentication layer. An attacker can obtain authentication tokens intended for GitHub or GitHub Enterprise by causing authenticated requests to be sent to external hosts, as the ho...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization via host resolution in the CLI authentication layer. An attacker can obtain authentication tokens intended for GitHub or GitHub Enterprise by causing authenticated requests to be sent to external hosts, as the ho...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization via host resolution in the CLI authentication layer. An attacker can obtain authentication tokens intended for GitHub or GitHub Enterprise by causing authenticated requests to be sent to external hosts, as the ho...

CVE-2026-48501 GitHub CLI tokens leak via `gh attestation` commands

GitHub CLI gh is GitHub’s official command line tool. Prior to 2.93.0, GitHub CLI incorrectly includes authorization header in API requests to TUF repository mirrors via gh attestation, gh release verify, and gh release verify-asset commands. The CLI uses a shared HTTP client with an authenticati...

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...