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VulnerabilitiesOct 28, 2026

Hackers now scanning systems for recently-patched Oracle flaw

Attackers are scanning for unpatched Oracle E-Business Suite systems vulnerable to CVE-2026-101767.

Threat actors are actively scanning the internet for systems vulnerable to a critical Oracle E-Business Suite (EBS) flaw, CVE-2026-101767. This vulnerability, discovered in the Application Object Library, allows unauthenticated attackers to gain control of systems with minimal effort. Oracle released patches in its October 2026 Critical Security Patch Update, but threat intelligence indicates exploitation attempts are already underway.

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The lesson from this incident

Full lesson

Threat actors began scanning for systems vulnerable to CVE-2026-101767 almost immediately after Oracle released its Critical Patch Update, demonstrating how quickly attackers operationalize newly disclosed vulnerabilities. The flaw in Oracle's Application Object Library allows unauthenticated attackers to take full control of affected systems, making it exceptionally dangerous for any internet-facing EBS deployments. Organizations that delayed applying the October patch have left a critical business application exposed to trivial, automated exploitation. This incident underscores that the window between patch release and active exploitation is now measured in days or hours, not weeks — making timely patching a non-negotiable security control.

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Indicators of Compromise

Extracted by AI from the linked source. Not reviewed by an editor. How this works

  • cve — CVE-2026-101767
  • cve — CVE-2025-61882
  • cve — CVE-2026-35273

Entities

Oracle E-Business Suite (product)Oracle (vendor)Clop (threat_actor)ShinyHunters (threat_actor)