CoreWCF.Primitives Known Vulnerabilities & Fixes
CoreWCF.Primitives has 7 known security vulnerabilities in NuGet (.NET). Upgrade to version 1.9.1 or later to resolve all known issues. Data sourced from OSV, enriched with EPSS exploit probability and CISA KEV.
Low Immediate Risk
No actively exploited vulnerabilities detected. Monitor and update in your next maintenance window.
Recommended safe version: 1.9.1
Upgrading to 1.9.1 or later resolves all 7 known vulnerabilities in CoreWCF.Primitives. Run: dotnet add package CoreWCF.Primitives --version 1.9.1
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Security Summary
- 13 affected version ranges have been identified across these 7 advisories.
- 100% of known issues have a published fixed version.
- Remediation: dotnet add package CoreWCF.Primitives
Vulnerabilities
7 unique vulnerabilities — sorted by exploitation risk (KEV → EPSS → CVSS). Click a CVE/GHSA ID for full details.
| CVE / GHSA | Severity | Affected | Fixed In |
|---|---|---|---|
| CVE-2026-54782 CoreWCF: Authentication bypass in CoreWCF SAML 1.1 / 2.0 token signature validation | CRITICAL | 0.1.0, 0.1.0-preview, 0.1.0-preview-2, 0.2.0 (+29 more) | 1.8.1, 1.9.1 |
| CVE-2026-54783 CoreWCF: XML Signature Wrapping in WS-Security endorsing/supporting signature verification allows replay of captured signed messages | HIGH | 0.1.0, 0.1.0-preview, 0.1.0-preview-2, 0.2.0 (+29 more) | 1.8.1, 1.9.1 |
| CVE-2026-54781 CoreWCF: SAML SubjectConfirmation methods and holder-of-key proof keys are not enforced | HIGH | 0.1.0, 0.1.0-preview, 0.1.0-preview-2, 0.2.0 (+29 more) | 1.8.1, 1.9.1 |
| CVE-2026-54774 CoreWCF: SamlSerializer skips SignatureValue verification when SAML signing token is not an X.509 certificate | HIGH | 0.1.0, 0.1.0-preview, 0.1.0-preview-2, 0.2.0 (+29 more) | 1.8.1, 1.9.1 |
| CVE-2026-54784 CoreWCF: SPNEGO SecurityContextToken proof key wrapped without confidentiality | HIGH | 1.9.0 | 1.9.1 |
| CVE-2026-54779 CoreWCF: SAML token replay protection is inoperative | MEDIUM | 0.1.0, 0.1.0-preview, 0.1.0-preview-2, 0.2.0 (+29 more) | 1.8.1, 1.9.1 |
| CVE-2026-54773 CoreWCF: WS-Security signature substitution via document-wide Signature lookup | MEDIUM | 0.1.0, 0.1.0-preview, 0.1.0-preview-2, 0.2.0 (+29 more) | 1.8.1, 1.9.1 |
About This Data
Vulnerability data for CoreWCF.Primitives is sourced from the Open Source Vulnerability (OSV) database, aggregating reports from GitHub Advisory Database, NIST NVD, and ecosystem-specific sources.
CVSS (Common Vulnerability Scoring System) scores reflect exploitability and impact. EPSS (Exploit Prediction Scoring System) scores indicate the probability of exploitation within the next 30 days. Vulnerabilities marked with are listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
Related NuGet (.NET) Packages
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