RHSA-2026:49770: Red Hat OpenShift Service Mesh 3.4.1

Published Aug 3, 2026
·
Updated

Red Hat OpenShift Service Mesh 3.4.1

Affected Software

1 affected component
Red Hat Red Hat OpenShift Service Mesh

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Red Hat OpenShift Service Mesh (OSSM) to a version that resolves this vulnerability.

    Fixed in 3.4.1
  2. Upgrade

    Upgrade openshift-service-mesh/istio-proxyv2-rhel9 to a version that resolves this vulnerability.

    Patch OSSM-14933
  3. Upgrade

    Upgrade openshift-service-mesh/istio-pilot-rhel9 to a version that resolves this vulnerability.

    Patch OSSM-14933
  4. Upgrade

    Upgrade openshift-service-mesh/istio-cni-rhel9 to a version that resolves this vulnerability.

    Patch OSSM-14933
  5. Upgrade

    Upgrade openshift-service-mesh/istio-rhel9-operator to a version that resolves this vulnerability.

    Patch OSSM-14933
  6. Compensating control

    If you are affected by OSSM-14646 (istiod-default-validator points to a non-existent istiod Service after an OSSM 3.3.4 upgrade when using a non-default Istio name with the default revision tag), remediate by applying the OSSM 3.4.1 fix (OSSM-14646).

Event History

Aug 3, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·06:29 PM
Data Sourced
via Red Hat·06:29 PM
Severity
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Frequently Asked Questions

1

What is the severity of RHSA-2026:49770?

The severity of RHSA-2026:49770 is high with a score of 7.

2

What vulnerabilities are addressed in RHSA-2026:49770?

RHSA-2026:49770 addresses security issues identified by CVE-2026-27145.

3

How do I fix RHSA-2026:49770?

To fix RHSA-2026:49770, upgrade to the latest version of Red Hat OpenShift Service Mesh.

4

Which software is affected by RHSA-2026:49770?

Red Hat OpenShift Service Mesh version 3.4.1 is affected by RHSA-2026:49770.

5

What is the release date of RHSA-2026:49770?

RHSA-2026:49770 was published on August 3, 2026.

Contact

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