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OpenAI Limits Astra Cyber Access Over Potential Critical Capabilities

πŸ“‹ ADVISORIES

  • U.S. Coast Guard Creates Office for Maritime Cybersecurity Policy
    The U.S. Coast Guard has established a central office for maritime cybersecurity policy.

    • The office covers U.S. ports, vessels, maritime facilities, and the Marine Transportation System.
    • It will oversee cybersecurity policy for maritime information and operational technology.
    • CG-MCP will develop domestic policy, contribute to international standards, and coordinate compliance and enforcement.
    • The Marine Transportation System includes roughly 360 commercial sea and river ports.
    • The office will act as the Coast Guard’s primary cybersecurity liaison with industry and government agencies.
      πŸ“Ž Coverage: securityweek.com Β· πŸ‘ via SecurityWeek
  • OpenAI Limits Astra Cyber Access Over Potential Critical Capabilities
    OpenAI says its upcoming Astra model may have critical cybersecurity capabilities.

    • OpenAI’s upcoming Astra model is affected; advanced cyber access will initially be limited to select Daybreak Blue partners.
    • Astra may identify and develop functional zero-day exploits against hardened real-world critical systems.
    • The model may execute end-to-end cyberattacks against hardened targets with little or no human guidance.
    • Astra can chain multiple exploits to penetrate targets more deeply; WIRED reports it scored 100% on ExploitBench.
      πŸ“„ Source: openai.com Β· πŸ“Ž Coverage: wired.com Β· πŸ‘ via @metacurity@infosec.exchange

πŸ”“ CVEs & KEV

  • CVE-2026-84304 β€” grpc grpc-go β€” CVSS 8.7 β€” gRPC-Go: Heap Memory Exhaustion (OOM) via HTTP/2 DATA Frame FragmentationgRPC...

  • CVE-2026-83551 β€” AWS sagemaker-python-sdk β€” CVSS 8.5 β€” Cleartext storage of HMAC signing key in Amazon SageMaker Python SDK @step/@r...

  • CVE-2026-19953 β€” CPANSec URI β€” CVSS 6.5 β€” URI versions before 5.36 for Perl encode non-NFC host names to non-standard p...

  • CVE-2026-84303 β€” grpc grpc-go β€” CVSS 6.3 β€” gRPC-Go: xDS RBAC HTTP Filter bypass via mixed-case Header Matching and gRFC ...

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