ESB-2026.5044

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.5044 Kiali 2.11.10 for Red Hat OpenShift Service Mesh 3.1 13 May 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: Red Hat OpenShift Service Mesh 3.1 Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2026-42039 CVE-2026-42041 CVE-2026-42043 CVE-2026-42044 CVE-2026-32280 CVE-2026-40895 CVE-2026-42033 CVE-2026-42035 Original Bulletin: https://access.redhat.com/errata/RHSA-2026:16532 Comment: CVSS (Max): 8.2 CVE-2026-42041 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N) CVSS Source: Red Hat Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N EPSS (Max): 0.1% (27th) CVE-2026-42033 2026-05-12 - --------------------------BEGIN INCLUDED TEXT-------------------- RHSA-2026:16532 - Security Advisory Issued: 2026-05-12 Updated: 2026-05-12 Synopsis Kiali 2.11.10 for Red Hat OpenShift Service Mesh 3.1 Type/Severity Security Advisory: Important Topic Kiali 2.11.10 for Red Hat OpenShift Service Mesh 3.1 is now available. An update is now available for Red Hat OpenShift Service Mesh 3.1. 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 2.11.10, for Red Hat OpenShift Service Mesh 3.1, 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): o CVE-2026-32280 Go: Denial of Service vulnerability in certificate chain building (OSSM-13247) o CVE-2026-40895 follow-redirects: Information disclosure via cross-domain redirects (OSSM-13555, OSSM-13559) o CVE-2026-42033 Axios: HTTP Transport Hijacking via Prototype Pollution (OSSM-13692, OSSM-13696) o CVE-2026-42035 Axios: Arbitrary HTTP header injection via prototype pollution (OSSM-13601, OSSM-13602) o CVE-2026-42043 Axios: NO_PROXY bypass via crafted URL (OSSM-13714, OSSM-13718) o CVE-2026-42039 Axios: Denial of Service via unbounded recursion in toFormData with deeply nested request data (OSSM-13728, OSSM-13732) o CVE-2026-42041 Axios: Authentication bypass due to prototype pollution of HTTP error handling (OSSM-13742, OSSM-13746) o CVE-2026-42044 Axios: Invisible JSON Response Tampering via Prototype Pollution Gadget (OSSM-13781, OSSM-13782) 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 2.11.10 documentation at https://docs.redhat.com/en/documentation/ red_hat_openshift_service_mesh/3.1/html/observability/ kiali-operator-provided-by-red-hat Fixes (none) CVEs o CVE-2026-32280 o CVE-2026-40895 o CVE-2026-42033 o CVE-2026-42035 o CVE-2026-42039 o CVE-2026-42041 o CVE-2026-42043 o CVE-2026-42044 References o https://access.redhat.com/security/updates/classification o https://access.redhat.com/security/updates/classification/ - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. 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