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This issue was found by Stefano Balzarotti of Nozomi Networks and Andrea Palanca of Nozomi Networks Product Security team during an internal investigation.

1 vulnerability record and advisories credit this contributor.

CVE-2026-33389
Disabled and non-configurable certificate/host key validation in Smart Polling in Guardian/CMC before 26.3.0 and Arc before v2.7.0