As far as I can tell there isn't a CVE for this yet, but I would guess there will be one pretty soon. Hoping that Palo Alto is working on a signature as I write this, since SandboxExcaper released a POC...
Thanks for reaching out.
Palo Alto Networks is aware of the polarbearrepo vulnerability and has the POC from SandboxExcaper. We are currently researching potential coverage signatures.
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