CyberSecBulletin

Mail-0 vulnerabilities

We track 1 vulnerability in Mail-0 products. 1 is rated high or critical, and none are known to be exploited. The most recent was published on June 21, 2025.

1vulnerabilities
0critical
1high
0exploited
8.6average CVSS score

Latest Mail-0 vulnerabilities

  • 8.6 High severity

    Zero: Improper Handling of Physical or Environmental Conditions

    CVE-2025-52557Mail-0

    Mail-0's Zero is an open-source email solution. In version 0.8 it's possible for an attacker to craft an email that executes javascript leading to session hijacking due to improper sanitization. This issue has been patched in version 0.81.