MEDIUM 85% confidence advisory

New Conversion from cgroup v1 CPU Shares to v2 CPU Weight

Kubernetes implements an improved conversion formula for mapping cgroup v1 CPU shares to cgroup v2 CPU weight. Learn how this impacts resource allocation and.

['Improves resource prioritization in multi-process environments', 'Allows for more granular management of workload resources within containers']

Kubernetes operatorsSystem administrators managing containerized workloads

action items (2)

• Review resource management strategies within applications
• Update custom tools and monitoring systems for compatibility with the new conversion formula

Kubernetes Blog · 2026-02-20T02:59

MEDIUM 85% confidence advisory

Introducing Node Readiness Controller for Kubernetes

The new Node Readiness Controller in Kubernetes ensures nodes meet all infrastructure-specific requirements before scheduling workloads. It provides custom.

['Ensures precise control over when and how workloads are scheduled to nodes', 'Allows operators to define custom readiness conditions and automate taint management']

Kubernetes Clusters with Complex Infrastructure Dependencies

action items (2)

• Explore the Node Readiness Controller documentation
• Consider implementing in pilot environments before full deployment

Kubernetes Blog · 2026-02-20T02:58

HIGH 95% confidence advisory

CISA Adds Four Known Exploited Vulnerabilities to Catalog

['CISA adds four new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog due to active exploitation. Remediation required for FCEB agencies.

['These vulnerabilities pose significant risks to the federal enterprise due to their potential for exploitation by malicious cyber actors.', 'Prompt remediation is required under Binding Operational Directive (BOD) 22-0

FCEB agenciesall organizations

action items (2)

• Review the KEV Catalog for all applicable CVEs and prioritize their remediation as per BOD 22-01 requirements.
• Ensure timely patching and monitoring of systems to detect and mitigate potential exploitation attempts.

CISA Current Activity · 2026-02-20T02:58

CRITICAL 95% confidence cve

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA adds CVE-2025-11953 and CVE-2026-24423 to its KEV catalog due to active exploitation, posing significant risks. Includes severity, confidence, and actionab

['These vulnerabilities are actively exploited by malicious actors', 'They pose significant risks to federal enterprise networks', 'CISA requires FCEB agencies to remediate these by due dates']

Federal Civilian Executive Branch agenciesAll organizations with React Native or SmarterTools applications

action items (3)

• Apply relevant patches immediately
• Conduct a risk assessment of current systems
• Educate staff on recognizing and responding to exploits

CISA Current Activity · 2026-02-20T02:58

HIGH 95% confidence cve

CISA Adds Six Known Exploited Vulnerabilities to Catalog

['CISA adds six new vulnerabilities to its KEV Catalog based on evidence of active exploitation. These include CVE-2026-21510, CVE-2026-21513, and others. Read

['These vulnerabilities are common vectors for malicious cyber actors and pose significant risks to federal enterprises.', 'BOD 22-01 requires FCEB agencies to remediate identified vulnerabilities by the due date to prot

FCEB AgenciesAll Organizations

action items (2)

• Review the updated KEV catalog from CISA and identify any systems that are vulnerable.
• Remediate identified vulnerabilities in accordance with BOD 22-01 requirements for FCEB agencies.

CISA Current Activity · 2026-02-20T02:30