CVE-2026-54775: CoreWCF: Kafka consume pump halts permanently on a Kafka tombstone (null-value record), causing persistent endpoint denial of service.

June 19, 2026

A CoreWCF service is running and listening on a Kafka topic receiving a null-value record will stop processing new records from that topic.

References

github.com/CoreWCF/CoreWCF/security/advisories/GHSA-m744-jhq9-ppw6
github.com/advisories/GHSA-m744-jhq9-ppw6
nvd.nist.gov/vuln/detail/CVE-2026-54775

Code Behaviors & Features

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