Detections
Analytics

SCA: security update for CoreWCF.Primitives (GHSA-gqv6-pwcg-87r8)

high Tenable Cloud Security Plugin ID 443686

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, CoreWCF WS-Security endorsing and supporting signature verification does not ensure the
 selected ds:Signature covers the expected Security header target, allowing an attacker with one captured
 signed SOAP envelope to replay arbitrary service operations as the victim principal. This issue is fixed
 in versions 1.8.1 and 1.9.1. (CVE-2026-54783)

Solution

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

See Also

https://github.com/advisories/GHSA-gqv6-pwcg-87r8

Plugin Details

Severity: High

ID: 443686

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: Medium

Score: 4.3

Percentile: 53.61

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

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

CVSS Score Source: CVE-2026-54783

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.4

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

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-2026-54783