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WAF - WAF Release - 2026-10-28

UpdateNot yet verified

This release introduces updates to the underlying rule expressions for PHP out-of-memory (OOM) vulnerabilities CVE-2026-109618, CVE-2026-109619 and CVE-2026-115560. The improvements are iterative changes based on reports from Security Researchers as part of PHP Capture the Flag (CTF) challenge ↗︎ .

Security

Also shipped Oct 28, 2026Cloudflare in October 2026 →

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Workers VPC - Select a virtual network for VPC Network bindings

VPC Network bindings can select a specific virtual network by setting network_id to cf1:vnet:<UUID> , where the UUID is the ID of the virtual network. Continue to use cf1:network to select your account's default virtual network. Multiple bindings can select different virtual networks.

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Agents SDK: Agent Skills are files in your agent's Workspace

Agent Skills in the Cloudflare Agents SDK are now files. Write a folder with a SKILL.md into your agent's Computer ↗︎ Workspace, under /workspace/.agents/skills/ , and the agent can use it on its next turn. You do not need a build step or a deploy, and the agent can write its own skills.

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