Allegra - Authentication Bypass (CVE-2025-6216)

CVE-2025-6216 is an authentication bypass vulnerability, which allows remote attackers to exploit a weakness in the password recovery mechanism due to predictable password reset tokens. By leveraging this flaw, attackers can bypass authentication without valid credentials, potentially gaining unauthorized access to sensitive application resources.

CrowdSec has been tracking this vulnerability and its exploits since 16th of July 2025.

Data from the CrowdSec community indicates that exploitation of CVE-2025-6216 is highly selective and intelligence-driven. Threat actors use advanced reconnaissance and carefully choose their targets, often as part of sophisticated campaigns or advanced persistent threat operations. In addition, according to the CrowdSec network, attack volume against CVE-2025-6216 has dipped slightly compared to the previous week. Although still commonly targeted, the decline suggests a cooling-off period. Long-term relevance remains, but attention is waning.

Attackers exploit predictable password reset tokens by targeting the /resetPassword.action and /resetPassword!confirm.action endpoints, allowing them to bypass authentication and gain unauthorized access.