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New updates and improvements at Cloudflare.

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WAF Release - 2026-09-08

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This release enhances detection logic for existing rules targeting Next.js remote code execution (RCE) vulnerabilities by consolidating active beta rules into baseline signatures.

RulesetRule IDLegacy Rule IDDescriptionPrevious ActionNew ActionComments
Cloudflare Managed RulesetN/ANext.js - Image Optimizer Remote Code Execution via Crafted AVIF - BetaLogBlockThis rule is merged into the original rule "Next.js - Image Optimizer Remote Code Execution via Crafted AVIF" (ID: ).
Cloudflare Managed RulesetN/ANext.js - Remote Code Execution - CVE:CVE-2026-75604 - BetaLogBlockThis rule is merged into the original rule "Next.js - Remote Code Execution - CVE:CVE-2026-75604" (ID: ).