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.
Published: 2026-09-19
Score: 4 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Sun, 20 Sep 2026 00:45:00 +0000

Type Values Removed Values Added
Title SMTP Smuggling Vulnerability in Exim Pre-4.100.1

Sat, 19 Sep 2026 23:00:00 +0000

Type Values Removed Values Added
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.
First Time appeared Exim
Exim exim
Weaknesses CWE-93
CPEs cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*
Vendors & Products Exim
Exim exim
References
Metrics cvssV3_1

{'score': 4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N'}

Subscriptions

Exim Exim
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-09-19T22:55:00.348Z

Reserved: 2026-09-19T22:54:59.821Z

Link: CVE-2026-94057

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-19T23:17:11.257

Modified: 2026-09-19T23:17:11.257

Link: CVE-2026-94057

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-20T00:30:16Z

Weaknesses