CVE-2025-6216
Allegra calculateTokenExpDate Password Recovery Authentication Bypass Vulnerability.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 47.8%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 47.77% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-640
- Affected
- alltena/allegra
- Source
- zdi-disclosures@trendmicro.com
EPSS moved from 47.8% on 22 September 2026 to 47.8% on 1 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.