OWASP CRS Vulnerability Enables Charset Validation Bypass

A newly disclosed vulnerability in the OWASP Core Rule Set (CRS) allows attackers to bypass charset validation in web application firewalls (WAFs), enabling dangerous payloads to reach backend applications.   Tracked as CVE-2026-21876, the flaw affects CRS rule 922110 and can expose applications to cross-site scripting (XSS) and other…

Microsoft Introduces Teams External Collaboration Administrator Role

Microsoft is expanding its administrative capabilities in Teams by introducing a new built-in role called Teams External Collaboration Administrator.   This specialized RBAC role enables organizations to delegate external collaboration management without granting full Teams admin permissions.  Rollout Timeline  The new role will begin rolling…