SharePoint CVE-2026-55040, a critical JWT authentication bypass, is being actively exploited hours after Rapid7 published a ...

Attackers exploit SharePoint CVE-2026-55040 after a Rapid7 PoC release, forging JWTs to impersonate site users or admins.

In today's interconnected digital world, secure authentication is paramount, forming the backbone of reliable and safe digital applications. As one of the industry's most seasoned experts and leaders, ...