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

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

https://cvefeed.io/rssfeed/latest.atom / Thu, 07/09/2026 - 04:04
CVE ID :CVE-2026-54775
Published : July 8, 2026, 11:16 p.m. | 1 hour, 29 minutes ago
Description :CoreWCF is a port of the service side of Windows Communication Foundation (WCF) to .NET Core. Prior to 1.8.1 and 1.9.1, a CoreWCF service listening on a Kafka topic stops processing new records from that topic when KafkaTransportPump receives a null-value tombstone record, causing a persistent endpoint denial of service for attackers with produce permission. This issue is fixed in versions 1.8.1 and 1.9.1.
Severity: 6.5 | MEDIUM
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