Red Hat Security Advisory

RHSA-2026:49729

Red Hat OpenShift Service Mesh 3.1.11

Released 2026-08-03 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat OpenShift Service Mesh 3.1 registry.redhat.io/openshift-service-mesh/istio-cni-rhel9, registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9, registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9 +1

TI-2026-35484 CVE-2026-48042

HIGH 72

Envoy is an open source edge and service proxy designed for cloud-native applications.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00557 Published 2026-06-26 Partial fix · 1.38.1, 1.37.3 +2 CWE-1124

TI-2026-34807 CVE-2026-47221

HIGH 66

Envoy is an open source edge and service proxy designed for cloud-native applications.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00445 Published 2026-06-26 Partial fix · 1.38.3, 1.37.5 +2 CWE-476

TI-2026-34792 CVE-2026-47204

HIGH 66

Envoy is an open source edge and service proxy designed for cloud-native applications.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00448 Published 2026-06-26 Partial fix · 1.38.3, 1.37.5 +2 CWE-476

TI-2026-35486 CVE-2026-48044

LOW 39

Envoy is an open source edge and service proxy designed for cloud-native applications.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00486 Published 2026-06-26 Partial fix · 1.38.1, 1.37.3 +2 CWE-409

TI-2026-35987 CVE-2026-48706

LOW 34

Envoy is an open source edge and service proxy designed for cloud-native applications.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.0061 Published 2026-06-26 Partial fix · 1.38.3, 1.37.5 +2 CWE-120

TI-2026-21595 CVE-2026-27145 · GHSA-4279-q6mj-392r

LOW 30

(*x509.Certificate).VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name (SAN) entries.

CVSS 3.1MEDIUM 6.5 Network No auth No interaction EPSS 0.00591 Published 2026-06-02 Partial fix · 1.25.11, 1.26.4