WAF Release - 2026-05-20

Key Findings

• Existing rule enhancements have been deployed to improve detection resilience against broad classes of web attacks and strengthen behavioral coverage.

Continuous Rule Improvements

We are continuously refining our managed rules to provide more resilient protection and deeper insights into attack patterns. To ensure an optimal security posture, we recommend consistently monitoring the Security Events dashboard and adjusting rule actions as these enhancements are deployed.

Ruleset · Rule ID · Legacy Rule ID · Description · Previous Action · New Action · Comments

Cloudflare Managed Ruleset · bcdcec3ea63a480896513dc39e9c068d · N/A · Sitecore - Cache Poisoning - CVE:CVE-2025-53693 Beta · N/A · Block ·

This rule is merged into the original rule "Sitecore - Cache Poisoning - CVE:CVE-2025-53693" (ID: d1bd7563e6254db48ce703807c5b669c).