Description
Exim before 4.99.5 allows .forward privilege escalation because force_command for a pipe transport is mishandled.
Affected products
exim: exim
References1
- openwall.com/lists/oss-security/2026/07/22/9 Mailing ListThird Party Advisory
Metrics
- CVSS 3.1
-
7.8
HIGH
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 4 · as of 14 November 2026
- CWE
- CWE-829
Could this be exploited in your environment?
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