CVE-2026-90668: Allocation of Resources Without Limits or Throttling

The webserver in UnrealIRCd 6.0.5 through 6.2.6 before 6.2.7 does not limit the number of HTTP request headers, which allows remote attackers to cause a denial of service memory consumption and unresponsive server via an HTTP request with an unlimited number of headers, if a websocket or JSON-RPC...

openSUSE 16: tomcat / tomcat-admin-webapps / tomcat-el-3_0-api / tomcat-embed / etc (openSUSE-SU-2026:21823-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21823-1 advisory. - CVE-2026-65182: Bypass longest prefix security constraint bsc1276893. - CVE-2026-65183: TOCTOU when setting specific permissions for Unix Doma...

CVE-2026-50025

Mousehole is a background service to update a seedbox IP for MAM and web app to manage it. Prior to version 0.4.05, Mousehole's HTTP/WebSocket management boundary is reachable without application-layer authentication or browser/LAN provenance checks. The service stores a MyAnonamouse MAM session...

CVE-2026-50025 Mousehole: Unauthenticated HTTP/WebSocket boundary exposes and mutates MAM cookie state

Mousehole is a background service to update a seedbox IP for MAM and web app to manage it. Prior to version 0.4.05, Mousehole's HTTP/WebSocket management boundary is reachable without application-layer authentication or browser/LAN provenance checks. The service stores a MyAnonamouse MAM session...

CVE-2026-50025

Mousehole is a background service that updates a seedbox IP for MyAnonamouse (MAM) and provides a web management interface. Prior to version 0.4.05 , its HTTP/WebSocket management boundary is reachable without application-layer authentication or browser/LAN provenance checks. The root cause is th...

EUVD-2026-76693

Mousehole is a background service to update a seedbox IP for MAM and web app to manage it. Prior to version 0.4.05, Mousehole's HTTP/WebSocket management boundary is reachable without application-layer authentication or browser/LAN provenance checks. The service stores a MyAnonamouse MAM session...

CVE-2026-50025 Mousehole: Unauthenticated HTTP/WebSocket boundary exposes and mutates MAM cookie state

Mousehole is a background service to update a seedbox IP for MAM and web app to manage it. Prior to version 0.4.05, Mousehole's HTTP/WebSocket management boundary is reachable without application-layer authentication or browser/LAN provenance checks. The service stores a MyAnonamouse MAM session...

CVE-2026-50025 Mousehole: Unauthenticated HTTP/WebSocket boundary exposes and mutates MAM cookie state

Mousehole is a background service to update a seedbox IP for MAM and web app to manage it. Prior to version 0.4.05, Mousehole's HTTP/WebSocket management boundary is reachable without application-layer authentication or browser/LAN provenance checks. The service stores a MyAnonamouse MAM session...

Exploit for Missing Authentication for Critical Function in Coreweave Marimo

PoC — CVE-2026-39987 · Marimo Pre-Auth RCE CVSS 4.0: 9.3...

undici: undici: Denial of Service via unrequested WebSocket subprotocol

A flaw was found in undici. A remote attacker can exploit this vulnerability by responding with an unrequested WebSocket subprotocol during the opening handshake. This causes the undici WebSocket client to crash the entire Node.js process, leading to a denial of service DoS...

undici: undici: Denial of Service via unhandled error in WebSocket permessage-deflate decompression

A flaw was found in undici. A remote, unauthenticated attacker can trigger a Denial of Service DoS by sending a specially crafted compressed WebSocket payload. When this payload exceeds the 128 MiB decompressed-payload limit and contains a malformed DEFLATE byte, it causes an unhandled error in t...

CVE-2026-71416

Headroom compresses data before the data reaches a large language model. Prior to version 0.35.0, the Headroom WebSocket server does not validate the Origin header of incoming client WebSocket requests before forwarding the request to the upstream server, allowing malicious WebSocket clients to...

CVE-2026-71416 Headroom vulnerable to Cross-Site WebSocket Hijacking (CSWSH)

Headroom compresses data before the data reaches a large language model. Prior to version 0.35.0, the Headroom WebSocket server does not validate the Origin header of incoming client WebSocket requests before forwarding the request to the upstream server, allowing malicious WebSocket clients to...

CVE-2026-71416 Headroom vulnerable to Cross-Site WebSocket Hijacking (CSWSH)

Headroom compresses data before the data reaches a large language model. Prior to version 0.35.0, the Headroom WebSocket server does not validate the Origin header of incoming client WebSocket requests before forwarding the request to the upstream server, allowing malicious WebSocket clients to...

CVE-2026-71416

Headroom is a WebSocket proxy that compresses data before it reaches a large language model. Prior to version 0.35.0 , its WebSocket server fails to validate the Origin header of incoming client WebSocket requests before forwarding them to the upstream server. This allows a Cross-Site WebSocket H...

CVE-2026-71416 Headroom vulnerable to Cross-Site WebSocket Hijacking (CSWSH)

Headroom compresses data before the data reaches a large language model. Prior to version 0.35.0, the Headroom WebSocket server does not validate the Origin header of incoming client WebSocket requests before forwarding the request to the upstream server, allowing malicious WebSocket clients to...

Security update for tomcat

This update for tomcat fixes the following issues: CVE-2026-65182: Apache Tomcat: Bypass longest prefix security constraint bsc1276893. CVE-2026-65183: Apache Tomcat: TOCTOU when setting specific permissions for Unix Domain Sockets bsc1276894. CVE-2026-65637: Apache Tomcat: HTTP/2 no-authority...

SUSE-SU-2026:4126-1 Security update for tomcat

This update for tomcat fixes the following issues: - CVE-2026-65182: Apache Tomcat: Bypass longest prefix security constraint bsc1276893. - CVE-2026-65183: Apache Tomcat: TOCTOU when setting specific permissions for Unix Domain Sockets bsc1276894. - CVE-2026-65637: Apache Tomcat: HTTP/2...

BIT-TOMCAT-2026-73180 Apache Tomcat: Authenticated WebSocket session survives end of HTTP session

Insufficient Session Expiration vulnerability in Apache Tomcat meant that if the session ID for an authenticated HTTP session was changed after a WebSocket connection had been established under that authenticated HTTP session, the WebSokcet session would not be closed as required by the Jakarta...

PT-2026-89869

Name of the Vulnerable Software and Affected Versions Headroom versions prior to 0.35.0 Description The Headroom WebSocket server fails to validate the Origin header of incoming client WebSocket requests before forwarding them to the upstream server. This allows malicious WebSocket clients, which...