CVE-2025-26845: Znuny

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

An Eval Injection issue was discovered in Znuny through 7.1.3. A user with write access to the configuration file can use this to execute a command executed by the user running the backup.pl script.

Affected products

• Znuny Znuny: from 6.0.31, up to and including 6.0.48; from 6.5.1, up to and including 6.5.11; from 7.0.1, up to and including 7.1.3

Published 2025-05-08. Last modified 2026-06-17.