CVE-2026-66141CWE-829

CVE-2026-66141

High · published July 24, 2026

CVSS v3.1
7.4
EPSS
0%
Percentile
3.1
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
7.4 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00141 · 3.1th percentile
Weakness
CWE-829 · Inclusion of Functionality from Untrusted Control Sphere
Published
2026-07-24T09:16Z
Affected products (1)
ProductVersionsFixed in
exim/exim< 4.99.54.99.5
References (1)
https://openwall.com/lists/oss-security/2026/07/22/9 · [email protected]
EPSS history
Timeline
  • 24 JUL 04:37Z
    Exim before 4.99.5 allows .forward privilege escalation because force_command for a pipe transport is mishandled
    cvelistv5