CVE-2025-6216

9.8 criticalEPSS 48%

Critical (9.8) in alltena allegra. EPSS 48% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.0

9.8 critical

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

EPSS: 48% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)
CWE: CWE-640
Published: 2025-06-21
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

alltena:allegra

References

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

Check your stack JSON