GO-2026-6271 Mailpit: WebSocket origin check bypass via percent-encoded path (regression of CVE-2026-22689) in github.com/axllent/mailpit

Mailpit: WebSocket origin check bypass via percent-encoded path regression of CVE-2026-22689 in github.com/axllent/mailpit...

CVE-2026-55536 Browser Server WebSocket origin validation bypass via unanchored regex (patch bypass of CVE-2026-40289 / GHSA-8x8f-54wf-vv92)

PraisonAI is a multi-agent teams system. Prior to praisonai 4.6.58, Browser Server handleconnection checks Chrome extension origins with re.match and the unanchored expression chrome-extension://a-z0-932. Extra trailing characters pass before websocket.accept, allowing startsession commands and...

CVE-2026-42283 DevSpace UI Server WebSocket CheckOrigin does not validate source

DevSpace is a client-only developer tool for cloud-native development with Kubernetes. Prior to 6.3.21, DevSpace's UI server WebSocket accepts connections from all origins by default, and therefore several endpoints are exposed via this WebSocket. When a developer runs the DevSpace UI and at the...

DevSpace UI Server WebSocket CheckOrigin does not validate source

Description DevSpace's UI server WebSocket accepts connections from all origins by default, and therefore several endpoints are exposed via this WebSocket. When a developer runs the DevSpace UI and at the same time uses a browser to access the internet, a malicious website they visit can use thei...

PT-2026-32594

Name of the Vulnerable Software and Affected Versions PraisonAI versions prior to 4.5.139 praisonaiagents versions prior to 1.5.140 Description The browser bridge is susceptible to unauthenticated remote session hijacking. This occurs due to a lack of authentication and a bypassable origin check ...

GHSA-524M-Q5M7-79MM Mailpit is vulnerable to Cross-Site WebSocket Hijacking (CSWSH) allowing unauthenticated access to emails

Summary The Mailpit WebSocket server is configured to accept connections from any origin. This lack of Origin header validation introduces a Cross-Site WebSocket Hijacking CSWSH vulnerability. An attacker can host a malicious website that, when visited by a developer running Mailpit locally,...

CVE-2025-55300

Komari is a lightweight, self-hosted server monitoring tool designed to provide a simple and efficient solution for monitoring server performance. Prior to 1.0.4-fix1, WebSocket upgrader has disabled origin checking, enabling Cross-Site WebSocket Hijacking CSWSH attacks against authenticated user...

CVE-2025-55300

Komari is a lightweight, self-hosted server monitoring tool designed to provide a simple and efficient solution for monitoring server performance. Prior to 1.0.4-fix1, WebSocket upgrader has disabled origin checking, enabling Cross-Site WebSocket Hijacking CSWSH attacks against authenticated user...