CVE-2025-26794: Exim

Critical severity, CVSS 9.8. EPSS: 77.5% chance of exploitation in the next 30 days.

Exim 4.98 before 4.98.1, when SQLite hints and ETRN serialization are used, allows remote SQL injection. (Resolving SQL injection requires an update to 4.99.1 in certain non-default rate-limit configurations.)

Affected products

• Exim Exim: from 4.98, before 4.98.1 (fixed in 4.98.1)

Published 2025-02-21. Last modified 2026-06-17.