What’s Vulnerable › Vulnerabilities
CVE-2026-94057
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-19 · updated 2026-09-24
- Weakness: CWE-93
Description
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.
Affected products
- Exim: before 4.100.1 — fixed in 4.100.1
How to fix
Upgrade to a fixed version: Exim 4.100.1. Check the vendor advisory for mitigations.
References
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