PT-2026-38593

Name of the Vulnerable Software and Affected Versions GitHub Enterprise Server versions prior to 3.21 Description An unauthenticated attacker can cause service disruption by sending crafted requests containing deeply nested JSON payloads to an unauthenticated API endpoint. The endpoint parses...

GitHub Enterprise Server 访问控制错误漏洞

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 of GitHub Enterprise Server, there was an access control...

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 of GitHub Enterprise Server, there was a security...

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 of GitHub Enterprise Server, there was a security...

PT-2026-38588

Name of the Vulnerable Software and Affected Versions GitHub Enterprise Server versions prior to 3.21 Description An authentication bypass allows an unauthenticated attacker to create a local user account, bypassing the configured external identity provider. When external authentication is enable...

Exploit for Command Injection in Github Enterprise_Server

ExploitCVE-2026-3854 CVE-2026-3854 is a Remote Code Executio...

Researchers Discover Critical GitHub CVE-2026-3854 RCE Flaw Exploitable via Single Git Push

Cybersecurity researchers have disclosed details of a critical security vulnerability impacting GitHub.com and GitHub Enterprise Server that could allow an authenticated user to obtain remote code execution with a single "git push" command. The flaw, tracked as CVE-2026-3854 CVSS score: 8.7, is a...

Securing GitHub: Wiz Research uncovers Remote Code Execution in GitHub.com and GitHub Enterprise Server (CVE-2026-3854)

Details on CVE-2026-3854: A critical flaw in GitHub’s internal git infrastructure enabling RCE on GitHub.com and GitHub Enterprise Server...

EUVD-2026-24554

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...

EUVD-2026-24550

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...

EUVD-2026-24552

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...

EUVD-2026-24545

An incorrect regular expression vulnerability was identified in GitHub Enterprise Server that allowed an attacker to bypass OAuth redirect URI validation. An attacker with knowledge of a first-party OAuth application's registered callback URL could craft a malicious authorization link that, when...

EUVD-2026-24547

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...

EUVD-2026-24520

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-2026-4821

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-2026-5845

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-2026-5512

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-2026-4296

An incorrect regular expression vulnerability was identified in GitHub Enterprise Server that allowed an attacker to bypass OAuth redirect URI validation. An attacker with knowledge of a first-party OAuth application's registered callback URL could craft a malicious authorization link that, when...

CVE-2026-5845 Improper authorization fallback allows scoped user-to-server token installation escape in GitHub Enterprise Server

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-2026-5845

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...