[UPDATE] [high] Red Hat OpenShift Tempo (Apache Thrift): Multiple vulnerabilities

CSIRTS triage

What

Multiple vulnerabilities in Red Hat OpenShift Tempo (Apache Thrift) allow remote anonymous attackers to bypass security measures, disclose information, manipulate data, and cause denial of service.

Who is affected

Red Hat OpenShift Tempo deployments with remote network exposure are affected.

Urgency

High severity; remote unauthenticated attacks are possible and should be addressed immediately.

Action

Apply Red Hat security updates addressing CVE-2026-41602 through CVE-2026-41607 for OpenShift Tempo.

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

Details

Source

CERT-Bund (BSI) Security Advisories (DE · national-cert · site)

Severity

high

Published

2026-08-26

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-2026-1415

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.

• Moderate exploitation riskCVE-2026-416021.2% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 65% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-416040.92% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 58% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-416050.93% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 59% of all EPSS-scored CVEs.
• Moderate exploitation riskCVE-2026-416061.1% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 64% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-416070.90% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 57% of all EPSS-scored CVEs.

Referenced CVEs

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

• highexploited[UPDATE] [hoch] IBM QRadar SIEM: Mehrere Schwachstellencert-bund
• mediumCVE-2026-41606: Apache Thrift: c_glib dispatch stack overflowmsrc
• mediumCVE-2026-41607: Apache Thrift: C++ JSON OOB readmsrc
• highCVE-2026-41602: Apache Thrift: Go TFramedTransport uint32 overflowmsrc

Recent advisories for Red Hat OpenShift

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] [mittel] Red Hat OpenShift: Schwachstelle ermöglicht Manipulation von Dateiencert-bund · 2026-09-10
• unknownCVE-2026-15140: A privilege-escalation issue in the Portworx Operator when deployed on Red Hat OpenShift (OCP)…nvd · 2026-09-09
• medium[UPDATE] [mittel] Red Hat OpenShift Container Platform (protobufjs, fast-uri): Mehrere Schwachstellencert-bund · 2026-09-08
• mediumCVE-2026-86332: A flaw was found in odh-dashboard in Red Hat OpenShift AI. The backend-for-frontend route GET …nvd · 2026-09-07
• high[UPDATE] [hoch] Red Hat OpenShift Container Platform (gRPC-Go): Schwachstelle ermöglicht Umgehen von Sicherhei…cert-bund · 2026-09-04
• high[UPDATE] [hoch] Red Hat OpenShift: Mehrere Schwachstellencert-bund · 2026-09-04

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