PYSEC-2026-3482 MCP Python SDK: HTTP transports serve session requests without verifying the authenticated principal

Summary In affected versions, the SSE and Streamable HTTP server transports routed incoming requests to an existing session based only on the session identifier, without verifying that the request was authenticated as the same principal that created the session. Anyone who learned or guessed a...

Session fixation

A vulnerability, in Brocade SANnav versions before v2.0, could allow remote attackers to brute-force a valid session ID. The vulnerability is due to an insufficiently random session ID for several post-authentication actions in the SANnav portal...

Updated drupal packages fix security vulnerabilities

Updated drupal packages fix security vulnerability: Aaron Averill discovered that a specially crafted request can give a user access to another user's session, allowing an attacker to hijack a random session CVE-2014-9015. Michael Cullum, Javier Nieto and Andres Rojas Guerrero discovered that the...

Trend Micro Multiple Products Token Prediction Security Bypass

The remote host is either running Trend Micro OfficeScan or Worry-Free Business Security. The installed version is affected by a security bypass vulnerability because it reportedly implements a weak algorithm to generate random session tokens typically assigned to a successful authentication...