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Oracle’s September patches put Fusion Middleware back in the hot seat

Oracle's September 2026 CPU ships 673 patches including six CVSS 10.0 flaws in Fusion Middleware and Hyperion, none exploited in the wild.

Oracle's September 2026 Critical Security Patch Update delivers 673 patches across 17 product families, led by E-Business Suite with 159 fixes and Fusion Middleware with 153. Six CVSS 10.0 vulnerabilities in Access Manager, Forms, Internet Directory, Platform Security for Java, WebLogic Server, and Hyperion are remotely exploitable without authentication, and Oracle reports none exploited in the wild. Now patching monthly, Oracle urged immediate deployment and warned that unsupported releases are not tested for these flaws.

Oracle Critical Security Patch Update, September 2026 Review

Oracle's September 2026 Critical Patch Update fixes 673 vulnerabilities, including 104 critical, with many remotely exploitable in E-Business Suite and Fusion Middleware.

Oracle released 673 security patches in its September 2026 Critical Patch Update: 104 rated critical, 503 high, and 59 medium. Oracle E-Business Suite received the most patches (159, 24% of total), with 19 exploitable without credentials including CVE-2026-83327, CVE-2026-83452, and CVE-2026-83462 at CVSS 9.8. Fusion Middleware received 153 patches with 78 remotely exploitable without authentication, and 41 patches address third-party open-source component flaws. Qualys published detection QIDs for vulnerable assets.

Agent Harness vs Agent Framework vs MCP: Which Layer Owns the Loop, State, Tools, Permissions, and Recovery

Architecture explainer separates agent harnesses, frameworks, and MCP by which layer owns the loop, state, permissions, and recovery.

The article distinguishes agent harnesses (OpenAI Codex, Claude Agent SDK), which own the execution loop, sandbox, permission model, and recovery; frameworks (LangGraph, OpenAI Agents SDK, Microsoft Agent Framework), which supply composable primitives; and MCP, a stateless JSON-RPC wire protocol governed by the Linux Foundation's Agentic AI Foundation since December 2025. An ownership matrix maps the execution loop, state, tool transport, permissions, recovery, sandboxing, and multi-agent orchestration to each layer. The 2026-07-28 MCP specification made the protocol fully stateless, retiring the initialize handshake and session headers.

MarkTechPost · 1d agoAI research1

Oracle Critical Patch Update, August 2026 Security Update Review

Oracle's August 2026 Critical Patch Update fixes 943 vulnerabilities; Oracle Fusion Middleware and Hyperion received the most patches at 262.

Oracle released its August 2026 Critical Patch Update, addressing 943 security vulnerabilities across multiple product families, including third-party components bundled in Oracle products. Oracle Fusion Middleware and Oracle Hyperion received the highest number of fixes with 262 patches. Several of the addressed vulnerabilities impact more than one product.

Qualys ThreatPROTECT · 28d agoAdvisory2

Oracle August 2026 Critical Security Patch Update Addresses 925 CVEs

Oracle's August 2026 CSPU fixes 925 CVEs across 943 patches, including 154 critical fixes; Fusion Middleware gets 262 patches.

Oracle released its August 2026 Critical Security Patch Update on August 18, addressing 925 unique CVEs with 943 security updates. 154 issues (16.3%) carry a critical severity rating. Oracle Fusion Middleware received the most patches at 262, accounting for 27.8% of the total. Oracle introduced the monthly CSPU cycle in May 2026 as an interim release between quarterly Critical Patch Updates.

Tenable Blog · 28d agoAdvisory

Oracle Critical Security Update – 673 Vulnerabilities Patched Across Product Families

Oracle's September 2026 Critical Patch Update ships 673 patches across 17 product families, including 100+ critical and 240+ remotely exploitable flaws.

Oracle's September 2026 Critical Security Patch Update ships 673 patches covering 672 unique CVEs, with more than 130 additional CVEs resolved through bundled fixes, pushing the effective total past 800. Over 100 flaws are critical severity and more than 240 are remotely exploitable without authentication. Oracle E-Business Suite received 159 fixes, Fusion Middleware 153 (78 unauthenticated and network-exploitable), and Hyperion 102. No in-the-wild exploitation of these specific flaws is reported, but Oracle cites CISA's earlier 72-hour remediation order for actively exploited CVE-2026-21962 (CVSS 10.0).

Oracle September 2026 Critical Security Patch Update addresses 672 CVEs

Oracle's September 2026 CSPU fixes 672 CVEs across 673 patches, including 104 critical updates, with E-Business Suite receiving the most patches (159).

Oracle released its September 2026 Critical Security Patch Update fixing 672 unique CVEs via 673 security updates across 17 product families, with 104 patches (15.5%) rated critical and 503 rated high. Oracle E-Business Suite received the most patches at 159 (23.6%), followed by Fusion Middleware at 153, of which 78 are remotely exploitable without authentication. The CSPU is a monthly release cycle Oracle introduced in May 2026 between larger quarterly CPUs. Tenable will publish plugins to identify affected systems.

Tenable Blog · 22h agoVulnerability

Next.js Patches Critical AVIF and Windows Flaws Enabling Unauthenticated RCE

Vercel patches two critical Next.js unauthenticated RCE flaws: a libheif AVIF heap overflow (CVSS 9.5) and a Windows path traversal (CVE-2026-75604).

Vercel patched two critical Next.js flaws enabling unauthenticated remote code execution: a heap buffer overflow in libheif's AVIF image scaling (GHSA-2xp9-vwfh-vxw4, CVSS v4 9.5) and a Windows path traversal (CVE-2026-75604, CVSS 9.0). The AVIF flaw affects only sites explicitly enabling AVIF optimization and overwrites roughly 16,384 bytes past the buffer; the path traversal affects Windows-hosted Next.js deployments on versions 13.4-15.5.23 and 16.0-16.3.2. Fixes shipped in Next.js 15.5.24 and 16.3.3 on August 25, 2026, with the AVIF researchers releasing a Python PoC demonstrating RCE on multiple applications. No exploitation had been reported as of August 27, 2026.

The Hacker News · 20d agoVulnerabilityCVE-2026-75604

Attack Paths Into VMs in the Cloud

Unit 42 maps attack paths into AWS, Azure, and GCP VMs through intended features like startup scripts and SSH key pushes.

Palo Alto Unit 42 reviewed attack vectors against virtual machine services on AWS, Azure, and GCP, finding that 11% of internet-exposed cloud hosts carry Critical or High severity vulnerabilities. The attack paths rely on legitimate features such as EC2 User Data, VM custom data, EC2 Instance Connect, SSM Run Command, and serial consoles rather than vulnerabilities, and exploiting them requires attackers to first obtain control plane permissions. A compromised VM exposes not only its data but the workload identity and cloud permissions assigned to it, making identity compromise potentially more damaging than data theft. The firm places mitigation responsibility on cloud users and administrators.

Palo Alto Unit 42 · Aug 17, 2026Research1