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NVD Vulnerability Details :
CVE-2026-54779
Received
More InfoOfficial Page
Source-security-advisories@github.com
View Known Exploited Vulnerability (KEV) details
Published At-08 Jul, 2026 | 23:16
Updated At-09 Jul, 2026 | 15:16

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 SAML token replay protection is inoperative because DefaultTokenReplayCache.TryAdd does not reject duplicate tokens when DetectReplayedTokens is enabled, allowing a captured token to be reused. 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
Secondary3.15.9MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
N/A
Type: Secondary
Version: 3.1
Base score: 5.9
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/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-613Secondarysecurity-advisories@github.com
CWE ID: CWE-294
Type: Secondary
Source: security-advisories@github.com
CWE ID: CWE-613
Type: Secondary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/CoreWCF/CoreWCF/commit/3800c4e2bb4c6fde00ddacefdc2221ef33d55621security-advisories@github.com
N/A
https://github.com/CoreWCF/CoreWCF/commit/7b0b5231cf21b4b5c1fc3caac9981f8bee43823fsecurity-advisories@github.com
N/A
https://github.com/CoreWCF/CoreWCF/commit/84f8cff5a786b5aaa73448cb379d366a7df98238security-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-9jr3-rj99-8jq3security-advisories@github.com
N/A
Hyperlink: https://github.com/CoreWCF/CoreWCF/commit/3800c4e2bb4c6fde00ddacefdc2221ef33d55621
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/CoreWCF/CoreWCF/commit/7b0b5231cf21b4b5c1fc3caac9981f8bee43823f
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/CoreWCF/CoreWCF/commit/84f8cff5a786b5aaa73448cb379d366a7df98238
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-9jr3-rj99-8jq3
Source: security-advisories@github.com
Resource: N/A
Change History
0Changes found
Details not found