CVE-2026-44515 Nextcloud News: Authenticated blind SSRF via feed URL

Nextcloud News is an RSS/Atom feed reader. Prior to 28.3.0-beta.1, Nextcloud News allows authenticated users to add feeds by providing a feed URL via the web interface or the API. In affected versions, an authenticated attacker could provide a URL pointing to internal/private IP ranges or...

Portainer has an endpoint security bypass via Swarm service create/update

Summary Portainer enforces seven EndpointSecuritySettings restrictions that administrators configure to restrict the container configurations non-admin users can launch: privileged mode, host PID namespace, device mapping, capabilities, sysctls, security-opt Seccomp / AppArmor, and bind mounts. T...

GHSA-7FW3-X4R2-G7WC Portainer has a bind-mount restriction bypass via HostConfig.Mounts

Summary Portainer offers an environment-level Disable bind mounts for non-administrators security setting that blocks regular users from binding host paths into containers they create through the Portainer-mediated Docker API. The check that enforces this setting only inspected the legacy...

Portainer missing authorization on Docker plugin endpoints, which allows host RCE

Summary Portainer enforces Role-Based Access Control RBAC on top of the Docker API. The proxy layer routes incoming Docker API requests to per-resource handlers containers, images, services, volumes, etc. that apply authorization checks. The Docker plugin management endpoints /plugins/ were not...

GHSA-RRMM-9V76-H3P4 Portainer missing authorization on Docker plugin endpoints, which allows host RCE

Summary Portainer enforces Role-Based Access Control RBAC on top of the Docker API. The proxy layer routes incoming Docker API requests to per-resource handlers containers, images, services, volumes, etc. that apply authorization checks. The Docker plugin management endpoints /plugins/ were not...

CVE-2026-44503 Kiota abstractions RedirectHandler leaks Cookie/Proxy-Authorization headers on cross-host redirect

The RedirectHandler middleware in microsoft/kiota-java com.microsoft.kiota:microsoft-kiota-http-okHttp v1.9.0 and other Kiota libraries fails to strip sensitive HTTP headers when following 3xx redirects to a different host or scheme. Only the Authorization header is removed; Cookie,...

CVE-2026-44503

The RedirectHandler middleware in microsoft/kiota-java com.microsoft.kiota:microsoft-kiota-http-okHttp v1.9.0 and other Kiota libraries fails to strip sensitive HTTP headers when following 3xx redirects to a different host or scheme. Only the Authorization header is removed; Cookie,...

CVE-2026-44503 Kiota abstractions RedirectHandler leaks Cookie/Proxy-Authorization headers on cross-host redirect

The RedirectHandler middleware in microsoft/kiota-java com.microsoft.kiota:microsoft-kiota-http-okHttp v1.9.0 and other Kiota libraries fails to strip sensitive HTTP headers when following 3xx redirects to a different host or scheme. Only the Authorization header is removed; Cookie,...

CVE-2026-44503

CVE-2026-44503 affects the RedirectHandler in microsoft/kiota-java (com.microsoft.kiota:microsoft-kiota-http-okHttp v1.9.0, and similar Kiota libraries). The root cause is that when following 3xx redirects to a different host or scheme, only the Authorization header is removed; Cookie, Proxy-Auth...

Malicious code in mrgn-common (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 16fe2927853a543269a7eb66273bfea477dd040bc2e90f40d9b3642e9d138f5d Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

MAL-2026-3737 Malicious code in viem-core (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 1b4fdfd2feb3635d346056076f2597928654f198a02ff13ff1a4c5725b823456 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

CVE-2026-42559

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...

FlowiseAI: Authenticated Host RCE via POST /api/v1/node-custom-function and NodeVM Sandbox Escape

Summary POST /api/v1/node-custom-function lacks route-level authorization, allowing any authenticated user or API key to submit arbitrary JavaScript to the Custom JS Function node. When E2BAPIKEY is not configured — the common deployment case — Flowise executes this code inside a NodeVM sandbox...

CVE-2026-44216

Wasmtime (WebAssembly runtime) contains a vulnerability in its allocation logic for WebAssembly tables: checked arithmetic may panic on overflow when allocating extremely large tables (possible with memory64). Affects Wasmtime versions 30.0.0–36.0.8, 43.0.2, and 44.0.1. The panic occurs during cr...

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 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...

EUVD-2026-30292

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...

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...