RHSA-2026:16542 - Security Advisory

Topic

Kiali 2.22.3 for Red Hat OpenShift Service Mesh 3.3 is now available.
An update is now available for Red Hat OpenShift Service Mesh 3.3. This advisory contains the RPM packages for the Kiali component.
Red Hat Product Security has rated this update as having a security impact of Critical. 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 2.22.3, for Red Hat OpenShift Service Mesh 3.3, 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-2026-32280 Go: Denial of Service vulnerability in certificate chain building (OSSM-13286)
• CVE-2026-40895 follow-redirects: Information disclosure via cross-domain redirects (OSSM-13557, OSSM-13561)
• CVE-2026-42033 Axios: HTTP Transport Hijacking via Prototype Pollution (OSSM-13694, OSSM-13698)
• CVE-2026-42035 Axios: Arbitrary HTTP header injection via prototype pollution (OSSM-13606, OSSM-13607)
• CVE-2026-42043 Axios: NO_PROXY bypass via crafted URL (OSSM-13716, OSSM-13720)
• CVE-2026-42039 Axios: Denial of Service via unbounded recursion in toFormData with deeply nested request data (OSSM-13730, OSSM-13734)
• CVE-2026-42041 Axios: Authentication bypass due to prototype pollution of HTTP error handling (OSSM-13744, OSSM-13748)
• CVE-2026-42044 Axios: Invisible JSON Response Tampering via Prototype Pollution Gadget (OSSM-13786, OSSM-13787)

Bug Fix(es):

• OSSM-13773 OSSMC MTLS icon is not working

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 2.22.3 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.3/html/observability/kiali-operator-provided-by-red-hat

Fixes

• OSSM-13773 - OSSMC MTLS icon is not working

CVEs

• CVE-2026-32280
• CVE-2026-40895
• CVE-2026-42033
• CVE-2026-42035
• CVE-2026-42039
• CVE-2026-42041
• CVE-2026-42043
• CVE-2026-42044

References

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