CVE-2026-66141

Summary

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

Affected Software

VendorProductVersion RangeStatus
EximExim4.82 < 4.99.5affected

Weaknesses

  • CWE-829: CWE-829 Inclusion of Functionality from Untrusted Control Sphere

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References