CVE-2025-6216

CRITICAL NUCLEI

Allegra - Auth Bypass

Title source: llm

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.

Nuclei Templates (1)

Allegra - Authentication Bypass via Predictable Password Reset Token
CRITICALVERIFIEDby iamnoooob,pdresearch
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Scores

CVSS v3 9.8
EPSS 0.2542
EPSS Percentile 96.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

CWE
CWE-640
Status published

Affected Products (1)

alltena/allegra < 7.5.2.70

Timeline

Published Jun 21, 2025
Tracked Since Feb 18, 2026