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NVD Vulnerability Details :
CVE-2026-54783
Deferred
More InfoOfficial Page
Source-security-advisories@github.com
View Known Exploited Vulnerability (KEV) details
Published At-08 Jul, 2026 | 23:16
Updated At-10 Jul, 2026 | 05:16

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.17.4HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
N/A
Type: Secondary
Version: 3.1
Base score: 7.4
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-294Secondarysecurity-advisories@github.com
CWE-345Secondarysecurity-advisories@github.com
CWE-347Secondarysecurity-advisories@github.com
CWE ID: CWE-294
Type: Secondary
Source: security-advisories@github.com
CWE ID: CWE-345
Type: Secondary
Source: security-advisories@github.com
CWE ID: CWE-347
Type: Secondary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/CoreWCF/CoreWCF/commit/0589692d4b9a41d21b34ac48281e95f6df7f4ce5security-advisories@github.com
N/A
https://github.com/CoreWCF/CoreWCF/commit/30aef805270976c42477e3f2a05f4e563d86e247security-advisories@github.com
N/A
https://github.com/CoreWCF/CoreWCF/commit/4618f24165ad018ad3ed2636bf8c3bc87d2a3be2security-advisories@github.com
N/A
https://github.com/CoreWCF/CoreWCF/releases/tag/v1.8.1security-advisories@github.com
N/A
https://github.com/CoreWCF/CoreWCF/releases/tag/v1.9.1security-advisories@github.com
N/A
https://github.com/CoreWCF/CoreWCF/security/advisories/GHSA-gqv6-pwcg-87r8security-advisories@github.com
N/A
Hyperlink: https://github.com/CoreWCF/CoreWCF/commit/0589692d4b9a41d21b34ac48281e95f6df7f4ce5
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/CoreWCF/CoreWCF/commit/30aef805270976c42477e3f2a05f4e563d86e247
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/CoreWCF/CoreWCF/commit/4618f24165ad018ad3ed2636bf8c3bc87d2a3be2
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/CoreWCF/CoreWCF/releases/tag/v1.8.1
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/CoreWCF/CoreWCF/releases/tag/v1.9.1
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/CoreWCF/CoreWCF/security/advisories/GHSA-gqv6-pwcg-87r8
Source: security-advisories@github.com
Resource: N/A
Change History
0Changes found
Details not found