CVE-2026-2266 Improper neutralization of input vulnerability was identified in GitHub Enterprise Server that allowed cross-site scripting via task list content and enabled arbitrary HTML injection

An improper neutralization of input vulnerability was identified in GitHub Enterprise Server that allowed DOM-based cross-site scripting via task list content. The task list content extraction logic did not properly re-encode browser-decoded text nodes before rendering, allowing user-supplied HTM...

CVE-2026-2266

An improper neutralization of input vulnerability was identified in GitHub Enterprise Server that allowed DOM-based cross-site scripting via task list content. The task list content extraction logic did not properly re-encode browser-decoded text nodes before rendering, allowing user-supplied HTM...

CVE-2026-2266

CVE-2026-2266 : In GitHub Enterprise Server, there is a DOM-based cross-site scripting vulnerability caused by improper neutralization of input in the task list content rendering. Authenticated users can craft malicious task list items in issues or pull requests to inject user-supplied HTML and e...

EUVD-2026-10745

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...

EUVD-2026-10744

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...

EUVD-2026-10743

An improper authorization vulnerability was identified in GitHub Enterprise Server that allowed a user with read access to a repository and write access to a project to modify issue and pull request metadata through the project. When adding an item to a project that already existed, column value...

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

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-2026-3306

An improper authorization vulnerability was identified in GitHub Enterprise Server that allowed a user with read access to a repository and write access to a project to modify issue and pull request metadata through the project. When adding an item to a project that already existed, column value...

CVE-2026-3306

An improper authorization vulnerability was identified in GitHub Enterprise Server that allowed a user with read access to a repository and write access to a project to modify issue and pull request metadata through the project. When adding an item to a project that already existed, column value...

CVE-2026-3306

CVE-2026-3306 describes an improper authorization in GitHub Enterprise Server where a user with read access to a repository and write access to a project could modify issue and pull request metadata via the project without repository write permissions being verified during column value updates. T...

CVE-2026-3306 Improper authorization in GitHub Projects allows modification of issue and pull request metadata without repository write access

An improper authorization vulnerability was identified in GitHub Enterprise Server that allowed a user with read access to a repository and write access to a project to modify issue and pull request metadata through the project. When adding an item to a project that already existed, column value...

CVE-2026-3306 Improper authorization in GitHub Projects allows modification of issue and pull request metadata without repository write access

An improper authorization vulnerability was identified in GitHub Enterprise Server that allowed a user with read access to a repository and write access to a project to modify issue and pull request metadata through the project. When adding an item to a project that already existed, column value...

CVE-2026-3306

An improper authorization vulnerability was identified in GitHub Enterprise Server that allowed a user with read access to a repository and write access to a project to modify issue and pull request metadata through the project. When adding an item to a project that already existed, column value...

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...

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...

GitHub Enterprise Server security vulnerabilities

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 security vulnerabilities

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...

GitHub Enterprise Server security vulnerabilities

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...