CVE-2026-94057
Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead depends on crafted data sent after a rejection during DATA processing.
- Published Sep 19, 2026
- CVSS 5.3 medium
- 0.2% chance of exploitation in the next 30 days (EPSS)
- A fix is available