CVE-2021-22861

An improper access control vulnerability was identified in GitHub Enterprise Server that allowed authenticated users of the instance to gain write access to unauthorized repositories via specifically crafted pull requests and REST API requests. An attacker would need to be able to fork the target...

CVE-2021-37940

An information disclosure via GET request server-side request forgery vulnerability was discovered with the Workplace Search Github Enterprise Server integration. Using this vulnerability, a malicious Workplace Search admin could use the GHES integration to view hosts that might not be publicly...

CVE-2021-22870

A path traversal vulnerability was identified in GitHub Pages builds on GitHub Enterprise Server that could allow an attacker to read system files. To exploit this vulnerability, an attacker would need permission to create and build a GitHub Pages site on the GitHub Enterprise Server instance. Th...

CVE-2025-3124

A missing authorization vulnerability was identified in GitHub Enterprise Server that allowed a user to see the names of private repositories that they wouldn't otherwise have access to in the Security Overview in GitHub Advanced Security. The Security Overview was required to be filtered only...

CVE-2025-3509

A Remote Code Execution RCE vulnerability was identified in GitHub Enterprise Server that allowed attackers to execute arbitrary code by exploiting the pre-receive hook functionality, potentially leading to privilege escalation and system compromise. The vulnerability involves using dynamically...

CVE-2025-3246

An improper neutralization of input vulnerability was identified in GitHub Enterprise Server that allowed cross-site scripting in GitHub Markdown that used $$..$$ math blocks. Exploitation required access to the target GitHub Enterprise Server instance and privileged user interaction with the...

CVE-2025-3246

An improper neutralization of input vulnerability was identified in GitHub Enterprise Server that allowed cross-site scripting in GitHub Markdown that used $$..$$ math blocks. Exploitation required access to the target GitHub Enterprise Server instance and privileged user interaction with the...

CVE-2025-3246

An improper neutralization of input vulnerability was identified in GitHub Enterprise Server that allowed cross-site scripting in GitHub Markdown that used $$..$$ math blocks. Exploitation required access to the target GitHub Enterprise Server instance and privileged user interaction with the...

CVE-2025-3509

A Remote Code Execution RCE vulnerability was identified in GitHub Enterprise Server that allowed attackers to execute arbitrary code by exploiting the pre-receive hook functionality, potentially leading to privilege escalation and system compromise. The vulnerability involves using dynamically...

CVE-2025-3509

A Remote Code Execution RCE vulnerability was identified in GitHub Enterprise Server that allowed attackers to execute arbitrary code by exploiting the pre-receive hook functionality, potentially leading to privilege escalation and system compromise. The vulnerability involves using dynamically...

CVE-2025-3124

A missing authorization vulnerability was identified in GitHub Enterprise Server that allowed a user to see the names of private repositories that they wouldn't otherwise have access to in the Security Overview in GitHub Advanced Security. The Security Overview was required to be filtered only...

CVE-2025-3124

A missing authorization vulnerability was identified in GitHub Enterprise Server that allowed a user to see the names of private repositories that they wouldn't otherwise have access to in the Security Overview in GitHub Advanced Security. The Security Overview was required to be filtered only...

CVE-2025-3246 Markdown math block sanitization bypass allows privilege escalation and unauthorized workflow triggers

An improper neutralization of input vulnerability was identified in GitHub Enterprise Server that allowed cross-site scripting in GitHub Markdown that used $$..$$ math blocks. Exploitation required access to the target GitHub Enterprise Server instance and privileged user interaction with the...

CVE-2025-3246

CVE-2025-3246 targets GitHub Enterprise Server, specifically version 3.16.1, via an improper neutralization of input that enables cross-site scripting in GitHub Markdown using $$..$$ math blocks. The issue requires access to the target instance and privileged user interaction with the malicious e...

CVE-2025-3246 Markdown math block sanitization bypass allows privilege escalation and unauthorized workflow triggers

An improper neutralization of input vulnerability was identified in GitHub Enterprise Server that allowed cross-site scripting in GitHub Markdown that used $$..$$ math blocks. Exploitation required access to the target GitHub Enterprise Server instance and privileged user interaction with the...

CVE-2025-3509 Pre-Receive Hook Remote Code Execution vulnerability was identified in GitHub Enterprise Server that allowing Privilege Escalation

A Remote Code Execution RCE vulnerability was identified in GitHub Enterprise Server that allowed attackers to execute arbitrary code by exploiting the pre-receive hook functionality, potentially leading to privilege escalation and system compromise. The vulnerability involves using dynamically...

CVE-2025-3509 Pre-Receive Hook Remote Code Execution vulnerability was identified in GitHub Enterprise Server that allowing Privilege Escalation

A Remote Code Execution RCE vulnerability was identified in GitHub Enterprise Server that allowed attackers to execute arbitrary code by exploiting the pre-receive hook functionality, potentially leading to privilege escalation and system compromise. The vulnerability involves using dynamically...

CVE-2025-3509

CVE-2025-3509 affects GitHub Enterprise Server prior to 3.18 and is a Remote Code Execution in the pre-receive hook. The root cause involves using dynamically allocated ports that become temporarily available during specific operational conditions (e.g., hot patch upgrades), creating an exploitab...

CVE-2025-3124 Missing Authorization vulnerability was identified in GitHub Enterprise Server that allowed unauthorized access to private repository names

A missing authorization vulnerability was identified in GitHub Enterprise Server that allowed a user to see the names of private repositories that they wouldn't otherwise have access to in the Security Overview in GitHub Advanced Security. The Security Overview was required to be filtered only...

CVE-2025-3124

CVE-2025-3124 concerns a missing authorization vulnerability in GitHub Enterprise Server that allowed a user to see the names of private repositories they otherwise wouldn’t access via the Security Overview in GitHub Advanced Security. The issue affected all versions prior to 3.17 and was fixed i...