CVE-2026-76851

A Server-Side Request Forgery SSRF vulnerability was identified in GitHub Enterprise Server that allowed remote code execution on the instance. Insufficient network isolation allowed malicious pre-receive hook code to impersonate an internal service and redirect trusted internal requests to a...

CVE-2026-19118

A time-of-check time-of-use race condition vulnerability was identified in GitHub Enterprise Server that allowed remote code execution. Exploitation required an authenticated user with write access to a repository and precise timing of concurrent upload requests. This vulnerability affected all...

CVE-2026-18730

A server-side request forgery SSRF vulnerability was identified in GitHub Enterprise Server that allowed an unauthenticated attacker to cause the Manage API to send crafted outbound requests to an attacker-controlled host. An unauthenticated endpoint parsed an attacker-supplied cluster...

CVE-2026-76851

A Server-Side Request Forgery (SSRF) vulnerability in GitHub Enterprise Server allowed remote code execution on the instance. The root cause was insufficient network isolation that permitted malicious pre-receive hook code to impersonate an internal service and redirect trusted internal requests ...

CVE-2026-76851 Server-Side Request Forgery vulnerability in GitHub Enterprise Server allowed remote code execution via network access from pre-receive hooks to internal services

A Server-Side Request Forgery SSRF vulnerability was identified in GitHub Enterprise Server that allowed remote code execution on the instance. Insufficient network isolation allowed malicious pre-receive hook code to impersonate an internal service and redirect trusted internal requests to a...

CVE-2026-76851 Server-Side Request Forgery vulnerability in GitHub Enterprise Server allowed remote code execution via network access from pre-receive hooks to internal services

A Server-Side Request Forgery SSRF vulnerability was identified in GitHub Enterprise Server that allowed remote code execution on the instance. Insufficient network isolation allowed malicious pre-receive hook code to impersonate an internal service and redirect trusted internal requests to a...

CVE-2026-19118 Race condition vulnerability was identified in GitHub Enterprise Server that allowed remote code execution

A time-of-check time-of-use race condition vulnerability was identified in GitHub Enterprise Server that allowed remote code execution. Exploitation required an authenticated user with write access to a repository and precise timing of concurrent upload requests. This vulnerability affected all...

CVE-2026-19118

A time-of-check time-of-use (TOCTOU) race condition in GitHub Enterprise Server enabled remote code execution . Exploitation required an authenticated user with write access to a repository and precise timing of concurrent upload requests . All versions prior to 3.22 were affected; fixes are avai...

CVE-2026-19118 Race condition vulnerability was identified in GitHub Enterprise Server that allowed remote code execution

A time-of-check time-of-use race condition vulnerability was identified in GitHub Enterprise Server that allowed remote code execution. Exploitation required an authenticated user with write access to a repository and precise timing of concurrent upload requests. This vulnerability affected all...

CVE-2026-18730 Server-side request forgery vulnerability in GitHub Enterprise Server Manage API leaked a replayable gateway-agent bearer token

A server-side request forgery SSRF vulnerability was identified in GitHub Enterprise Server that allowed an unauthenticated attacker to cause the Manage API to send crafted outbound requests to an attacker-controlled host. An unauthenticated endpoint parsed an attacker-supplied cluster...

CVE-2026-18730 Server-side request forgery vulnerability in GitHub Enterprise Server Manage API leaked a replayable gateway-agent bearer token

A server-side request forgery SSRF vulnerability was identified in GitHub Enterprise Server that allowed an unauthenticated attacker to cause the Manage API to send crafted outbound requests to an attacker-controlled host. An unauthenticated endpoint parsed an attacker-supplied cluster...

CVE-2026-18730

This is a server-side request forgery (SSRF) vulnerability in GitHub Enterprise Server affecting the Manage API . An unauthenticated endpoint parsed an attacker-supplied cluster configuration and issued gateway-to-agent requests whose HMAC authenticated only a timestamp , not the request path or ...

PT-2026-84531

Name of the Vulnerable Software and Affected Versions GitHub Enterprise Server versions prior to 3.22 Description A time-of-check time-of-use TOCTOU race condition—a scenario where a system checks the state of a resource before using it, but the state changes between the check and the use—allows...

CVE-2026-19118: Time-of-check Time-of-use (TOCTOU) Race Condition

A time-of-check time-of-use race condition vulnerability was identified in GitHub Enterprise Server that allowed remote code execution. Exploitation required an authenticated user with write access to a repository and precise timing of concurrent upload requests. This vulnerability affected all...

CVE-2026-76851: Server-Side Request Forgery (SSRF)

A Server-Side Request Forgery SSRF vulnerability was identified in GitHub Enterprise Server that allowed remote code execution on the instance. Insufficient network isolation allowed malicious pre-receive hook code to impersonate an internal service and redirect trusted internal requests to a...

CVE-2026-18730: Server-Side Request Forgery (SSRF)

A server-side request forgery SSRF vulnerability was identified in GitHub Enterprise Server that allowed an unauthenticated attacker to cause the Manage API to send crafted outbound requests to an attacker-controlled host. An unauthenticated endpoint parsed an attacker-supplied cluster...

PT-2026-84532

Name of the Vulnerable Software and Affected Versions GitHub Enterprise Server versions prior to 3.22 Description A Server-Side Request Forgery SSRF issue exists where insufficient network isolation allows malicious pre-receive hook code to impersonate an internal service. This enables the...

PT-2026-84530

Name of the Vulnerable Software and Affected Versions GitHub Enterprise Server versions prior to 3.22 Description A server-side request forgery SSRF issue exists in the Manage API, allowing an unauthenticated attacker to force the server to send crafted outbound requests to a host under their...

CVE-2026-15996

A denial of service vulnerability was identified in GitHub Enterprise Server that allowed an unauthenticated attacker to cause excessive CPU consumption and exhaust the pool of request-handling worker processes by sending a crafted form-encoded HTTP POST request containing deeply nested parameter...

CVE-2026-17556

A path traversal vulnerability was identified in GitHub Enterprise Server that allowed an unauthenticated attacker to delete arbitrary files and directories on the instance, including the entire user storage directory containing Git LFS objects, release assets, attachments, and avatars. The...