PT-2026-51072 · Nuget · Corewcf.Kafka

Published

2026-06-19

·

Updated

2026-06-19

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CVE-2026-54775

CVSS v3.1

6.5

Medium

VectorAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Impact

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

Preconditions

The attacker has produce/write permission on a topic that CoreWCF is consuming from. If the broker permits anonymous publishes, no authentication is required.

Patches

Fixed in CoreWCF v1.8.1 and v1.9.1

Workarounds

Only allow authenticated writes to a topic

Fix

Improper Check for Exceptional Conditions

Improper Handling of Exceptional Conditions

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Weakness Enumeration

Related Identifiers

CVE-2026-54775
GHSA-M744-JHQ9-PPW6

Affected Products

Corewcf.Kafka