ksqlDB validates property overrides against an allowlist

UpdateSep 9, 2026VerifiedAdded Sep 22, 2026

Server property overrides supplied through queries, such as SET statements, are now validated against an allowlist of approved properties by default, replacing the previous denylist. Overrides outside the allowlist are rejected.

Developer tools

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https://docs.confluent.io/cloud/current/release-notes/index.html#september-9-2026

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