SCA: security update for CoreWCF.Kafka (GHSA-m744-jhq9-ppw6)

medium Tenable Cloud Security Plugin ID 443711

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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.
(CVE-2026-54775)

Solution

Update the CoreWCF.Kafka library and its related packages to version 1.8.1 or later.

See Also

https://github.com/advisories/GHSA-m744-jhq9-ppw6

Plugin Details

Severity: Medium

ID: 443711

Version: Revision 1.4

Type: Local

Family: SCA Checks

Published: 6/20/2026

Updated: 7/9/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.72

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C

CVSS Score Source: CVE-2026-54775

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 6/19/2026

Vulnerability Publication Date: 6/19/2026

Reference Information

CVE: CVE-2026-54775