CVE-2026-66141

high

Description

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

References

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

Details

Source: Mitre, NVD

Published: 2026-07-24

Updated: 2026-07-24

Risk Information

CVSS v2

Base Score: 6.2

Vector: CVSS2#AV:L/AC:H/Au:N/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.4

Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00102