WAF – WAF Release – 2025-10-20

This week’s update introduces an enhanced rule that expands detection coverage for a critical vulnerability in Oracle E-Business Suite. It also improves an existing rule to provide more reliable coverage in request processing.

Key Findings

New WAF rule deployed for Oracle E-Business Suite (CVE-2025-61882) to block unauthenticated attacker’s network access via HTTP to compromise Oracle Concurrent Processing. If successfully exploited, this vulnerability may result in remote code execution.

Impact

• Successful exploitation of CVE-2025-61882 allows unauthenticated attackers to execute arbitrary code remotely by chaining multiple weaknesses, enabling lateral movement into internal services, data exfiltration, and large-scale extortionware deployment within Oracle E-Business Suite environments.

Ruleset	Rule ID	Legacy Rule ID	Description	Previous Action	New Action	Comments
Cloudflare Managed Ruleset	933fc13202cd4e8ba498c0f32b4101ab	100598A	Remote Code Execution – Common Bash Bypass – Beta	Log	Block	This rule is merged into the original rule “Remote Code Execution – Common Bash Bypass” (ID: f8238867ed3e4d3a9a7b731a50cec478 )
Cloudflare Managed Ruleset	185b5df42d1e44e0aeb8f8b8a1118614	100916A	Oracle E-Business Suite – Remote Code Execution – CVE:CVE-2025-61882 – 2	Log	Block	This is a New Detection
Cloudflare Managed Ruleset	646bccf7e9dc46918a4150d6c22b51d3	N/A	HTTP Truncated	N/A	Disabled	This is a New Detection

Source: Cloudflare

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