RHSA-2026:26080 - Security Advisory

Topic

Kiali 2.4.18 for Red Hat OpenShift Service Mesh 3.0 is now available.
An update is now available for Red Hat OpenShift Service Mesh 3.0. This advisory contains the RPM packages for the Kiali component.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Kiali 2.4.18, for Red Hat OpenShift Service Mesh 3.0, provides observability for the service mesh by offering a visual representation of the mesh topology and metrics, helping users monitor, trace, and manage efficiently.

Security Fix(es):

• CVE-2026-32281 redhat-user-workloads/kiali-3-0: Go crypto/x509: Denial of Service via inefficient certificate chain validation (ossm-13867)
• CVE-2026-9277 openshift-service-mesh/kiali-ossmc-rhel9: shell-quote: Arbitrary code execution via command injection due to unescaped line terminators (ossm-13909)
• CVE-2026-9277 openshift-service-mesh/kiali-rhel9: shell-quote: Arbitrary code execution via command injection due to unescaped line terminators (ossm-13913)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

See Kiali 2.4.18 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.0/html/observability/kiali-operator-provided-by-red-hat

Affected Products

• Red Hat OpenShift Service Mesh

Fixes

CVEs

• CVE-2026-32281
• CVE-2026-9277

References

• https://access.redhat.com/security/updates/classification
• https://access.redhat.com/security/updates/classification/