github.com/mark3labs/mcp-go: mcp-go: DNS Rebinding vulnerability due to missing Host header validation

A flaw was found in mcp-go. This component failed to validate the Host header in HTTP requests, specifically within its StreamableHTTPServer and SSEServer transports. A remote attacker could exploit this by using a crafted web page to perform a DNS rebinding attack. This allows the attacker to...

github.com/mark3labs/mcp-go: mcp-go: DNS Rebinding vulnerability due to missing Host header validation

A flaw was found in mcp-go. This component failed to validate the Host header in HTTP requests, specifically within its StreamableHTTPServer and SSEServer transports. A remote attacker could exploit this by using a crafted web page to perform a DNS rebinding attack. This allows the attacker to...

CVE-2026-71554

A flaw was found in h2, a Python library for HTTP/2. This vulnerability allows a remote attacker to perform request smuggling. The library incorrectly processes HTTP/2 requests that contain more than one Host header. When these requests are downgraded to HTTP/1.1 by a consuming application, the...

CVE-2025-71405

A flaw was found in go-chi/chi. The RedirectSlashes middleware function incorrectly uses the Host header to build redirect URLs. A remote attacker can manipulate the Host header to redirect users to arbitrary malicious websites. This can lead to phishing attacks and credential theft. Mitigation...

CVE-2026-82726

Permissive Regular Expression vulnerability in ash-project ashphoenix lets a remote client select the tenant an Ash application uses, or degrade the request, by sending a crafted Host header. AshPhoenix.Helpers.getsubdomain/2 stripped the root domain with String.replacehost, r/.?roothost/, "". Th...

CVE-2026-82726 AshPhoenix get_subdomain maps a crafted or differently-cased Host header to an arbitrary tenant

Permissive Regular Expression vulnerability in ash-project ashphoenix lets a remote client select the tenant an Ash application uses, or degrade the request, by sending a crafted Host header. AshPhoenix.Helpers.getsubdomain/2 stripped the root domain with String.replacehost, r/.?roothost/, "". Th...

EUVD-2026-68335

Permissive Regular Expression vulnerability in ash-project ashphoenix lets a remote client select the tenant an Ash application uses, or degrade the request, by sending a crafted Host header. AshPhoenix.Helpers.getsubdomain/2 stripped the root domain with String.replacehost, r/.?roothost/, "". Th...

CVE-2026-82726 AshPhoenix get_subdomain maps a crafted or differently-cased Host header to an arbitrary tenant

Permissive Regular Expression vulnerability in ash-project ashphoenix lets a remote client select the tenant an Ash application uses, or degrade the request, by sending a crafted Host header. AshPhoenix.Helpers.getsubdomain/2 stripped the root domain with String.replacehost, r/.?roothost/, "". Th...

EEF-CVE-2026-82726 AshPhoenix get_subdomain maps a crafted or differently-cased Host header to an arbitrary tenant

Summary Permissive Regular Expression vulnerability in ash-project ashphoenix lets a remote client select the tenant an Ash application uses, or degrade the request, by sending a crafted Host header. AshPhoenix.Helpers.getsubdomain/2 stripped the root domain with String.replacehost, r/.?roothost/...

CVE-2026-82726

CVE-2026-82726 is a permissive regular expression vulnerability in ash-project ash_phoenix (versions 2.1.26 through before 2.3.25). The function AshPhoenix.Helpers.get_subdomain/2 interpolated the root host raw into a regex, turning each dot into a wildcard and allowing metacharacters as pattern ...

CVE-2026-82270

Portkey AI Gateway through 1.15.2 contains a server-side request forgery vulnerability in the /v1/proxy/ route that lacks requestValidator middleware. Attackers can set the x-portkey-custom-host header to internal addresses and forward requests with Authorization headers to reach internal service...

EUVD-2026-42930

9router: Unauthenticated /v1 proxy access via Host-header spoofing → open AI relay + SSRF...

NPM: 9router: Unauthenticated `/v1` proxy access via `Host`-header spoofing → open AI relay + SSRF

NPM: 9router: Unauthenticated /v1 proxy access via Host-header spoofing → open AI relay + SSRF vulnerability discovered by ? in WordPress Npm 9router versions 0.5.2...

CVE-2026-82270 Portkey AI Gateway Server-Side Request Forgery via /v1/proxy/*

Portkey AI Gateway through 1.15.2 contains a server-side request forgery vulnerability in the /v1/proxy/ route that lacks requestValidator middleware. Attackers can set the x-portkey-custom-host header to internal addresses and forward requests with Authorization headers to reach internal service...

CVE-2026-82270 Portkey AI Gateway Server-Side Request Forgery via /v1/proxy/*

Portkey AI Gateway through 1.15.2 contains a server-side request forgery vulnerability in the /v1/proxy/ route that lacks requestValidator middleware. Attackers can set the x-portkey-custom-host header to internal addresses and forward requests with Authorization headers to reach internal service...

Security Bulletin: IBM Sterling Control Center is affected by multiple vulnerabilities in jetty-server jar (CVE-2026-10051, CVE-2026-6790)

Summary IBM Sterling Control Center is affected by multiple vulnerabilities CVE-2026-10051 and CVE-2026-6790 reported for jetty-server-12.0.25.jar Vulnerability Details CVEID:CVE-2026-10051 DESCRIPTION: In Eclipse Jetty, a first HTTP/1.1 request with trailers causes the server to retain the...

CVE-2026-81092

mcp-go accepted requests on its HTTP transports without checking the Host header. StreamableHTTPServer.ServeHTTP in server/streamablehttp.go and SSEServer.ServeHTTP in server/sse.go served any request arriving over a loopback connection regardless of the host it named, and the SSE transport's...

CVE-2026-75871

GitLab has remediated a vulnerability in the GitLab AI Gateway component affecting all versions of the AI Gateway from 18.10 to 19.0.12, 19.1 to 19.1.7, and 19.2 to 19.2.2 that could have allowed an authenticated user with Duo Agent Platform access to redirect outbound model requests to an...

EUVD-2026-67088

GitLab has remediated a vulnerability in the GitLab AI Gateway component affecting all versions of the AI Gateway from 18.10 to 19.0.12, 19.1 to 19.1.7, and 19.2 to 19.2.2 that could have allowed an authenticated user with Duo Agent Platform access to redirect outbound model requests to an...

CVE-2026-75871 Server-Side Request Forgery (SSRF) in GitLab AI Gateway

GitLab has remediated a vulnerability in the GitLab AI Gateway component affecting all versions of the AI Gateway from 18.10 to 19.0.12, 19.1 to 19.1.7, and 19.2 to 19.2.2 that could have allowed an authenticated user with Duo Agent Platform access to redirect outbound model requests to an...