[UPDATE] [high] Kiali for Red Hat OpenShift Service Mesh (Axios, Go, Follow-redirects): Multiple vulnerabilities

highCVE-2026-42033 CVE-2026-42035 CVE-2026-42039 CVE-2026-42041 CVE-2026-42043 CVE-2026-42044

A remote anonymous attacker can exploit multiple vulnerabilities in Kiali for Red Hat OpenShift Service Mesh to gain elevated privileges, bypass security measures, manipulate or disclose data, or cause a denial-of-service condition.

CSIRTS triage

vendor: Kiali product: Kiali for Red Hat OpenShift Service Mesh Privilege escalation Authentication bypass Information disclosure Denial of service

What: A remote anonymous attacker can exploit multiple vulnerabilities in Kiali for Red Hat OpenShift Service Mesh to gain elevated privileges, bypass security measures, manipulate or disclose data, or cause a denial-of-service condition.
Who is affected: Deployments of Kiali for Red Hat OpenShift Service Mesh.
Urgency: Remediation is high urgency due to the potential for remote exploitation and privilege escalation.
Action: Update to the latest version of Kiali.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: high
Published: 2026-09-01
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1513

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-420330.84% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 56% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-420350.40% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 34% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-420390.74% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 53% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-420410.61% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 47% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-420430.66% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 50% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-420440.59% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 46% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-322800.61% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 47% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-408950.49% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 40% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-42033	coverage & exploitation status	NVD · CVE.org
CVE-2026-42035	coverage & exploitation status	NVD · CVE.org
CVE-2026-42039	coverage & exploitation status	NVD · CVE.org
CVE-2026-42041	coverage & exploitation status	NVD · CVE.org
CVE-2026-42043	coverage & exploitation status	NVD · CVE.org
CVE-2026-42044	coverage & exploitation status	NVD · CVE.org
CVE-2026-32280	coverage & exploitation status	NVD · CVE.org
CVE-2026-40895	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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Recent advisories for Kiali for Red

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

medium[UPDATE] [medium] Red Hat OpenShift Service Mesh (Kiali): Vulnerability allows Denial of Servicecert-bund · 2026-07-16