CVE-2026-66141

Basic Information

Severity	HIGH
Base Score	7.4
CNA	mitre
Published Date	2026-07-24 00:37:46 UTC
Last Modified	2026-07-24 00:37:46 UTC
CVE.org Link	https://www.cve.org/CVERecord?id=CVE-2026-66141
NVD	https://nvd.nist.gov/vuln/detail/CVE-2026-66141

Description

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

Affected Products

Vendor	Product
exim	exim

References

• https://openwall.com/lists/oss-security/2026/07/22/9