CVE-2022-39388: Istio

Low severity, CVSS 3.5. EPSS: 0.5% chance of exploitation in the next 30 days.

Istio is an open platform to connect, manage, and secure microservices. In versions on the 1.15.x branch prior to 1.15.3, a user can impersonate any workload identity within the service mesh if they have localhost access to the Istiod control plane. Version 1.15.3 contains a patch for this issue. There are no known workarounds.

Affected products

• Istio Istio: from 1.15.0, up to and including 1.15.2

Published 2022-11-10. Last modified 2026-06-17.