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Cloudflare Workers AI · First-party API · LLM

CVE-2026-21643

CVE-2026-21643
Release announcedReleased on Apr 15, 2026

Cloudflare Workers AI released CVE-2026-21643 on Apr 15, 2026. Source: developers.cloudflare.com · Last checked Oct 29, 2026

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Notice

Release announced

Released on Apr 15, 2026

Cloudflare Workers AI announced this model on 2026-04-15.

Hosting route
First-party API
Affected scope
Not stated in the notice
Announced
Apr 15, 2026
First seen by ModelClock
Oct 29, 2026

What the provider published

developers.cloudflare.com ↗

This week's release introduces a new detection for a critical Remote Code Execution (RCE) vulnerability in Mesop (CVE-2026-33057), alongside protections for high-impact vulnerabilities in Cisco Secure Firewall Management Center (CVE-2026-20079) and FortiClient EMS (CVE-2026-21643).

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