CVE-2026-3854

An improper neutralization of special elements vulnerability was identified in GitHub Enterprise Server that allowed an attacker with push access to a repository to achieve remote code execution on the instance. During a git push operation, user-supplied push option values were not properly...

CVE-2026-3854 Remote code execution via git push option injection in GitHub Enterprise Server

An improper neutralization of special elements vulnerability was identified in GitHub Enterprise Server that allowed an attacker with push access to a repository to achieve remote code execution on the instance. During a git push operation, user-supplied push option values were not properly...

CVE-2026-3854

CVE-2026-3854 describes an RCE vulnerability in GitHub Enterprise Server arising during git push option handling. An attacker with push access could abuse unsanitized user-supplied push option values that are incorporated into internal service headers; because the header format uses a delimiter t...

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. Vulnerabilities exist in versions 3.14.24, 3.15.19, 3.16.15, 3.17.12, 3.18.6, and...

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 3.20 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 3.20 of GitHub Enterprise Server, there were 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. There is a security vulnerability in GitHub Enterprise Server, which stems from...

PT-2026-24344

Name of the Vulnerable Software and Affected Versions GitHub Enterprise Server versions prior to 3.14.25 GitHub Enterprise Server versions prior to 3.15.20 GitHub Enterprise Server versions prior to 3.16.16 GitHub Enterprise Server versions prior to 3.17.13 GitHub Enterprise Server versions prior...

Vulnerabilities fixed in GitHub Enterprise Server

GitHub has fixed vulnerabilities in GitHub Enterprise Server Specifically for versions before 3.20, 3.19.2, 3.18.5 and 3.17.11. The first vulnerability concerns an authorization issue that allowed attackers to merge unauthorized pull-requests into repositories that provide fork support. The secon...

CVE-2026-1355

A Missing Authorization vulnerability was identified in GitHub Enterprise Server that allowed an attacker to upload unauthorized content to another user’s repository migration export due to a missing authorization check in the repository migration upload endpoint. By supplying the migration...

CVE-2026-1999

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 enableautomerge mutation for pull requests. This issue only affect...

CVE-2026-0573

An URL redirection vulnerability was identified in GitHub Enterprise Server that allowed attacker-controlled redirects to leak sensitive authorization tokens. The repositorypages API insecurely followed HTTP redirects when fetching artifact URLs, preserving the authorization header containing a...

CVE-2026-1999

A Server-Side Request Forgery SSRF vulnerability was identified in GitHub Enterprise Server that allowed an authenticated user to access internal services bound to loopback or unspecified addresses, potentially disrupting background job processing, accessing administrative endpoints, metrics, and...

CVE-2026-1999

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 enableautomerge mutation for pull requests. This issue only affect...

CVE-2026-1355

A Missing Authorization vulnerability was identified in GitHub Enterprise Server that allowed an attacker to upload unauthorized content to another user’s repository migration export due to a missing authorization check in the repository migration upload endpoint. By supplying the migration...

CVE-2026-1355

A Missing Authorization vulnerability was identified in GitHub Enterprise Server that allowed an attacker to upload unauthorized content to another user’s repository migration export due to a missing authorization check in the repository migration upload endpoint. By supplying the migration...

CVE-2026-0573

An URL redirection vulnerability was identified in GitHub Enterprise Server that allowed attacker-controlled redirects to leak sensitive authorization tokens. The repositorypages API insecurely followed HTTP redirects when fetching artifact URLs, preserving the authorization header containing a...

CVE-2026-0573

An URL redirection vulnerability was identified in GitHub Enterprise Server that allowed attacker-controlled redirects to leak sensitive authorization tokens. The repositorypages API insecurely followed HTTP redirects when fetching artifact URLs, preserving the authorization header containing a...

CVE-2026-1999

CVE-2026-1999 affects GitHub Enterprise Server and is an incorrect authorization vulnerability in the enable_auto_merge mutation for pull requests. An attacker could merge their own PR into a repository without push access under specific conditions: the repository must allow forking, a clean PR s...

CVE-2026-1999 Incorrect Authorization vulnerability was identified in GitHub Enterprise Server that allowed unauthorized merging of pull requests

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 enableautomerge mutation for pull requests. This issue only affect...