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.

CVSS v3 4.0 MEDIUM

4.0^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://lists.exim.org/lurker/message/20260918.121220.0f87338e.en.html	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*

History

24 Sep 2026, 20:40

Type	Values Removed	Values Added
References	~~() https://lists.exim.org/lurker/message/20260918.121220.0f87338e.en.html -~~	() https://lists.exim.org/lurker/message/20260918.121220.0f87338e.en.html - Vendor Advisory
First Time		Exim exim Exim
CPE		cpe:2.3:a:exim:exim::::::::

19 Sep 2026, 23:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-19 23:17

Updated : 2026-09-24 20:40

NVD link : CVE-2026-94057

Mitre link : CVE-2026-94057

CVE.ORG link : CVE-2026-94057

JSON object : View

Products Affected

exim

exim

CWE

CWE-93

Improper Neutralization of CRLF Sequences ('CRLF Injection')

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