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Vulnerability record · CVE-2025-6216 · published 21 June 2025

CVE-2025-6216: Alltena allegra weak password recovery vulnerability

Alltena · Allegra

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.

9.8 CVSS 3.0 Critical EPSS 48% · top 1.2% CWE-640 · Weak password recovery
9.8CVSS 3.0 base score
48%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://alltena.com/en/resources/release-notes/release-notes-for-release-8-1-4-and-release-7-5-2 Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-25-410/ Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2025-6216), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.