CVE-2026-78134: Strongswan

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

strongSwan 4.5.0 through 6.0.7 has Incorrect Access Control in the eap-ttls and eap-peap plugins because there can be a missing or mismatched inner EAP identity.

Affected products

• Strongswan Strongswan: from 4.5.0, before 6.1.0 (fixed in 6.1.0)

Published 2026-09-11. Last modified 2026-09-14.