The person who wrote the widely-referred-to tweet last night (claiming to "have recreated & lab/field tested CVE-2026-109618 / CVE-2026-109619") followed up a couple hours later and said that their POC had not been proven to work "in the wild"

[0] https://x.com/J4ck3LSyN/status/2112703096443097263

[1] https://x.com/J4ck3LSyN/status/2112753673235501137

Cloudflare's blog post announcing its updated WAF rules directly implies the existence of in-the-wild exploits: https://blog.cloudflare.com/php-vulnerabilities-waf-protecti...

"Cloudflare successfully deployed multiple mitigations for all its customers while the vulnerability was leaked before the official release date and we observed attack traffic targeting our customers."

If that's not an in-the-wild exploit, it literally couldn't have been further away than one or two more iterations.

Chainguard most likely interpreted Calif's dancing anime girl video as a script kiddie who had found a POC.