CVE-2026-66141

Exim before 4.99.5 allows .forward privilege escalation because force_command for a pipe transport is mishandled.

CVSS v3 7.4 HIGH

7.4^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.4 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://openwall.com/lists/oss-security/2026/07/22/9	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2026-07-24 05:16

Updated : 2026-08-17 19:06

NVD link : CVE-2026-66141

Mitre link : CVE-2026-66141

CVE.ORG link : CVE-2026-66141

JSON object : View

Products Affected

exim

exim

CWE

CWE-829

Inclusion of Functionality from Untrusted Control Sphere

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