curl: CVE-2026-6276: stale custom cookie host causes cookie leak

Summary: libcurl keeps a stale data-state.aptr.cookiehost after a request that uses a custom Host: header. On later requests on the same easy handle, when no custom Host: is used, libcurl still reuses that stale value for outgoing cookie selection lib/http.c:2560-2563 and incoming Set-Cookie...

curl: Cross‑origin cookies leak and injection risk when using a custom Host header

Summary When a custom hostname is specified, it is used for cookie matching if the cookie engine is also enabled for this transfer. This matching persists in cross-origin redirects despite that the originally supplied hostname is removed. cookiehost is set from a custom Host header: lib/http.c...

CVE-2025-66405

Portkey.ai Gateway is a blazing fast AI Gateway with integrated guardrails. Prior to 1.14.0, the gateway determined the destination baseURL by prioritizing the value in the x-portkey-custom-host request header. The proxy route then appends the client-specified path to perform an external fetch...

Portkey.ai Gateway: Server-Side Request Forgery (SSRF) in Custom Host

Summary The gateway determines the destination baseURL by prioritizing the value in the x-portkey-custom-host request header. The proxy route then appends the client-specified path to perform an external fetch. This can be maliciously used by users for SSRF CWE-918 attack Impact This vulnerabilit...

EUVD-2025-200120

Portkey.ai Gateway: Server-Side Request Forgery SSRF in Custom Host...

GHSA-HHH5-2CVX-VMFP Portkey.ai Gateway: Server-Side Request Forgery (SSRF) in Custom Host

Summary The gateway determines the destination baseURL by prioritizing the value in the x-portkey-custom-host request header. The proxy route then appends the client-specified path to perform an external fetch. This can be maliciously used by users for SSRF CWE-918 attack Impact This vulnerabilit...

Server-side Request Forgery (SSRF)

Overview @portkey-ai/gateway is an A fast AI gateway by Portkey Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the x-portkey-custom-host request header, which allows user-supplied values to determine the destination baseURL in the proxy route. An attacker...

CVE-2025-66405 Portkey.ai Gateway: Server-Side Request Forgery (SSRF) in Custom Host

Portkey.ai Gateway is a blazing fast AI Gateway with integrated guardrails. Prior to 1.14.0, the gateway determined the destination baseURL by prioritizing the value in the x-portkey-custom-host request header. The proxy route then appends the client-specified path to perform an external fetch...

CVE-2025-66405

Portkey.ai Gateway has an SSRF vulnerability prior to v1.14.0 where the destination baseURL is chosen from the x-portkey-custom-host header and the proxy appends the client path to fetch external resources. This can allow an attacker to make requests to arbitrary hosts, potentially leaking data f...

CVE-2025-66405 Portkey.ai Gateway: Server-Side Request Forgery (SSRF) in Custom Host

Portkey.ai Gateway is a blazing fast AI Gateway with integrated guardrails. Prior to 1.14.0, the gateway determined the destination baseURL by prioritizing the value in the x-portkey-custom-host request header. The proxy route then appends the client-specified path to perform an external fetch...

CVE-2025-66405: Server-Side Request Forgery (SSRF)

Portkey.ai Gateway is a blazing fast AI Gateway with integrated guardrails. Prior to 1.14.0, the gateway determined the destination baseURL by prioritizing the value in the x-portkey-custom-host request header. The proxy route then appends the client-specified path to perform an external fetch...

EUVD-2022-42654

Malicious code in bioql PyPI...

CVE-2022-3248

A flaw was found in OpenShift API, as admission checks do not enforce "custom-host" permissions. This issue could allow an attacker to violate the boundaries, as permissions will not be applied...

Design/Logic Flaw

A flaw was found in OpenShift API, as admission checks do not enforce "custom-host" permissions. This issue could allow an attacker to violate the boundaries, as permissions will not be applied...

CVE-2022-3248 Openshift api admission checks does not enforce "custom-host" permissions

A flaw was found in OpenShift API, as admission checks do not enforce "custom-host" permissions. This issue could allow an attacker to violate the boundaries, as permissions will not be applied...

CVE-2022-3248 Openshift api admission checks does not enforce "custom-host" permissions

A flaw was found in OpenShift API, as admission checks do not enforce "custom-host" permissions. This issue could allow an attacker to violate the boundaries, as permissions will not be applied...

PT-2023-13073 · Red Hat · Openshift Ai

Name of the Vulnerable Software and Affected Versions: OpenShift API affected versions not specified Description: A flaw was found in OpenShift API, as admission checks do not enforce custom-host permissions. This issue could allow an attacker to violate the boundaries, as permissions will not be...

CVE-2022-3248: Incorrect Authorization

A flaw was found in OpenShift API, as admission checks do not enforce "custom-host" permissions. This issue could allow an attacker to violate the boundaries, as permissions will not be applied...

Kubernetes Security Vulnerabilities

Kubernetes K8s is an open source system from the Cloud Native Computing Foundation for automating the deployment, scaling, and management of containerized applications. Kubernetes suffers from a security vulnerability that stems from a flaw in the OpenShift API where access checks do not enforce...

CVE-2021-22002

VMware Workspace ONE Access and Identity Manager, allow the /cfg web app and diagnostic endpoints, on port 8443, to be accessed via port 443 using a custom host header. A malicious actor with network access to port 443 could tamper with host headers to facilitate access to the /cfg web app, in...