CVE-2025-6216 PoC — Allegra calculateTokenExpDate Password Recovery Authentication Bypass Vulnerability

Source

https://github.com/projectdiscovery/nuclei-templates/blob/main/code/cves/2025/CVE-2025-6216.yaml

Associated Vulnerability

Title:Allegra calculateTokenExpDate Password Recovery Authentication Bypass Vulnerability (CVE-2025-6216)
Description:Allegra calculateTokenExpDate Password Recovery Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of Allegra. Authentication is not required to exploit this vulnerability. The specific flaw exists within the password recovery mechanism. The issue results from reliance upon a predictable value when generating a password reset token. An attacker can leverage this vulnerability to bypass authentication on the application. Was ZDI-CAN-27104.

Description

Allegra calculateTokenExpDate Password Recovery Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of Allegra. Authentication is not required to exploit this vulnerability. The specific flaw exists within the password recovery mechanism. The issue results from reliance upon a predictable value when generating a password reset token. An attacker can leverage this vulnerability to bypass authentication on the application.

File Snapshot


 id: CVE-2025-6216

info:
  name: Allegra - Authentication Bypass via Predictable Password Reset Toke

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