CVE-2026-42559 RMCP: DNS rebinding vulnerability in rmcp Streamable HTTP server transport

RMCP is an official Rust SDK for the Model Context Protocol. Prior to version 1.4.0, the rmcp crate's Streamable HTTP server transport crates/rmcp/src/transport/streamablehttpserver/ did not validate the incoming Host header. This allowed a malicious public website, via a DNS rebinding attack, to...

CVE-2026-42559 RMCP: DNS rebinding vulnerability in rmcp Streamable HTTP server transport

RMCP is an official Rust SDK for the Model Context Protocol. Prior to version 1.4.0, the rmcp crate's Streamable HTTP server transport crates/rmcp/src/transport/streamablehttpserver/ did not validate the incoming Host header. This allowed a malicious public website, via a DNS rebinding attack, to...

CVE-2026-42559 RMCP: DNS rebinding vulnerability in rmcp Streamable HTTP server transport

RMCP is an official Rust SDK for the Model Context Protocol. Prior to version 1.4.0, the rmcp crate's Streamable HTTP server transport crates/rmcp/src/transport/streamablehttpserver/ did not validate the incoming Host header. This allowed a malicious public website, via a DNS rebinding attack, to...

CVE-2026-42559

The RMCP Streamable HTTP server transport in the rmcp crate failed to validate the Host header prior to version 1.4.0, enabling a DNS rebinding attack that could cause authenticated requests to reach a victim’s local MCP server. Impact could include enumeration, reading state, and triggering side...

PT-2026-41155

Name of the Vulnerable Software and Affected Versions ApostropheCMS versions prior to 4.29.0 Description The password reset flow in the resetRequest route of the modules/@apostrophecms/login/index.js component constructs the reset URL using req.hostname. When apos.baseUrl is not explicitly...

CVE-2026-45055

CubeCart is an ecommerce software solution. Prior to 6.7.2, CubeCart 6.6.x – 6.7.1 builds CCSTOREURL directly from the Host request header at bootstrap, with no allowlist. The constant is embedded verbatim into transactional email links, most critically the password-reset link in...

CVE-2026-42602

azureauthextension is the Azure Authenticator Extension. From 0.124.0 to 0.150.0, a server-side authentication bypass in azureauthextension allows any party who holds a single valid Azure access token for any scope the collector's configured identity can mint for to authenticate to any...

CVE-2026-45055 CubeCart: Pre-Authenticated Password Reset Link Poisoning via HTTP Host Header

CubeCart is an ecommerce software solution. Prior to 6.7.2, CubeCart 6.6.x – 6.7.1 builds CCSTOREURL directly from the Host request header at bootstrap, with no allowlist. The constant is embedded verbatim into transactional email links, most critically the password-reset link in...

EUVD-2026-30172

CubeCart is an ecommerce software solution. Prior to 6.7.2, CubeCart 6.6.x – 6.7.1 builds CCSTOREURL directly from the Host request header at bootstrap, with no allowlist. The constant is embedded verbatim into transactional email links, most critically the password-reset link in...

CVE-2026-45055 CubeCart: Pre-Authenticated Password Reset Link Poisoning via HTTP Host Header

CubeCart is an ecommerce software solution. Prior to 6.7.2, CubeCart 6.6.x – 6.7.1 builds CCSTOREURL directly from the Host request header at bootstrap, with no allowlist. The constant is embedded verbatim into transactional email links, most critically the password-reset link in...

CVE-2026-45055

CubeCart is an ecommerce software solution. Prior to 6.7.2, CubeCart 6.6.x – 6.7.1 builds CCSTOREURL directly from the Host request header at bootstrap, with no allowlist. The constant is embedded verbatim into transactional email links, most critically the password-reset link in...

CVE-2026-45055 CubeCart: Pre-Authenticated Password Reset Link Poisoning via HTTP Host Header

CubeCart is an ecommerce software solution. Prior to 6.7.2, CubeCart 6.6.x – 6.7.1 builds CCSTOREURL directly from the Host request header at bootstrap, with no allowlist. The constant is embedded verbatim into transactional email links, most critically the password-reset link in...

CVE-2026-45055

CubeCart pre-authenticated password reset link poisoning via HTTP Host header (affecting 6.6.x–6.7.1) allows an unauthenticated attacker to cause password-reset tokens to be sent to a victim with a malicious domain (evil.com). Builds CC_STORE_URL from Host header without allowlist, embedding the ...

CVE-2026-42602

azureauthextension is the Azure Authenticator Extension. From 0.124.0 to 0.150.0, a server-side authentication bypass in azureauthextension allows any party who holds a single valid Azure access token for any scope the collector's configured identity can mint for to authenticate to any...

CVE-2026-42602 azureauthextension Authenticate method does not validate bearer tokens, allowing auth bypass via replay

azureauthextension is the Azure Authenticator Extension. From 0.124.0 to 0.150.0, a server-side authentication bypass in azureauthextension allows any party who holds a single valid Azure access token for any scope the collector's configured identity can mint for to authenticate to any...

CVE-2026-42602

The CVE affects opentelemetry-collector-contrib’s azureauthextension in versions 0.124.0–0.150.0. The root cause is that Authenticate performs a token equality check against a token minted by the collector’s own credential, using the client-supplied Host header to set the scope, and does not vali...

ALPINE-CVE-2026-6276

Using libcurl, when a custom Host: header is first set for an HTTP request and a second request is subsequently done using the same easy handle but without the custom Host: header set, the second request would use stale information and pass on cookies meant for the first host in the second reques...

CVE-2026-6276

Using libcurl, when a custom Host: header is first set for an HTTP request and a second request is subsequently done using the same easy handle but without the custom Host: header set, the second request would use stale information and pass on cookies meant for the first host in the second reques...

CVE-2026-6276

CVE-2026-6276 affects libcurl: if a custom Host header is initially set for an HTTP request and a subsequent request on the same easy handle is made without the Host header, the second request can reuse stale host information and leak cookies intended for the first host. The issue manifests as a ...

EUVD-2026-29928

Using libcurl, when a custom Host: header is first set for an HTTP request and a second request is subsequently done using the same easy handle but without the custom Host: header set, the second request would use stale information and pass on cookies meant for the first host in the second reques...