Data and AI releases

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WAF - WAF Release - 2026-08-25

BetaNot yet verified

This release moves four new detections from Log to Block, merges the XSS, HTML Injection - Script Tag - Beta rule into the original rule, and adds a Generic Rules - Remote Code Execution rule in Block mode.

GovernanceObservability

Also shipped Aug 25, 2026Cloudflare in August 2026 →

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Access - Grace periods for service token rotation

Cloudflare Access administrators can now choose a grace period when rotating a service token secret. Both secrets remain valid during the grace period, giving administrators time to update services without interrupting authentication. The dashboard offers grace periods from one hour to 30 days. Administrators can also revoke the previous secret immediately.

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Access - Temporarily turn off Access service tokens

Cloudflare Access administrators can now temporarily turn off service tokens without deleting them. A disabled token cannot authenticate, but its configuration remains available so administrators can turn it on again later. Turning off a token also stops any previous secret in an active rotation grace period.

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AI Search - Store larger custom metadata values in AI Search

AI Search supports larger custom metadata values within a shared 10 KiB metadata envelope for each vector. The envelope includes AI Search system metadata and JSON overhead, so it is not a per-field limit. The first 64 UTF-8 bytes of each indexed string remain filterable. For details, refer to Metadata attributes .

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API Shield - Symmetric key support for JWT validation

API Shield JSON Web Token validation now supports symmetric keys that use the HS256 , HS384 , and HS512 algorithms. You can configure HMAC verification keys in the Cloudflare dashboard or with the Cloudflare API. Cloudflare never stores symmetric credentials in plaintext. API responses do not include the credential.

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Access service token secrets use a scannable format

Cloudflare Access service token Client Secrets created on or after August 26, 2026, use the format cfast_[40 alphanumeric characters][8-character checksum] . The prefix and checksum make these credentials easier for secret scanning tools to identify with fewer false positives. Existing service token secrets continue to work and do not require rotation.

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AI Search - New Workers AI text generation models in AI Search

AI Search now supports six additional Workers AI models for text generation: Model Context window (tokens) @cf/deepseek-ai/deepseek-v4-flash-0731 1,048,576 @cf/deepseek-ai/deepseek-v4-pro-0813 1,048,576 @cf/openai/gpt-oss-120b 128,000 @cf/openai/gpt-oss-20b 128,000 @cf/qwen/qwen3.8-27b 262,144 @cf/moonshotai/kimi-k2.7-code 262,144 These models run on...

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