CVE-2026-94057
MEDIUM
5.3
CVSS Score
Published: September 19, 2026 at 10:55 PM UTC
Updated: September 24, 2026 at 08:57 PM UTC
1 product affected across 1 vendorExim
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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
Vendor Advisory
Source: cverecord
https://lists.exim.org/lurker/message/20260918.121220.0f87338e.en.htmlSSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusANALYZED
CWE
CWE-93
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