YAFNET.Core Known Vulnerabilities & Fixes
YAFNET.Core has 3 known security vulnerabilities in NuGet (.NET). Upgrade to version 4.0.5 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: 4.0.5
Upgrading to 4.0.5 or later resolves all 3 known vulnerabilities in YAFNET.Core. Run: dotnet add package YAFNET.Core --version 4.0.5
Is YAFNET.Core in your project?
Check if you're affected and upgrade to 4.0.5 to stay secure.
Security Summary
- 5 affected version ranges have been identified across these 3 advisories.
- 100% of known issues have a published fixed version.
- Remediation: dotnet add package YAFNET.Core
Vulnerabilities
3 unique vulnerabilities — sorted by exploitation risk (KEV → EPSS → CVSS). Click a CVE/GHSA ID for full details.
| CVE / GHSA | Severity | Affected | Fixed In |
|---|---|---|---|
| CVE-2026-43937 YAFNET: Pre-Handler Authorization Bypass on Admin Pages Enables Blind SQL Execution via `/Admin/RunSql` | HIGH | 4.0.0, 4.0.0-beta03, 4.0.0-beta04, 4.0.0-beta05 (+12 more) | 4.0.5 |
| CVE-2026-43938 YAFNET has Unauthenticated Stored Second-Order XSS in Admin Event Log via Reflected `User-Agent` Header | HIGH | 4.0.0, 4.0.0-beta03, 4.0.0-beta04, 4.0.0-beta05 (+12 more) | 4.0.5, 3.2.12 |
| CVE-2026-43939 YAFNET has Stored XSS in Forum Thread Posts/Replies that Allows Arbitrary JavaScript Execution for All Thread Viewers | HIGH | 4.0.0, 4.0.0-beta03, 4.0.0-beta04, 4.0.0-beta05 (+12 more) | 4.0.5, 3.2.12 |
About This Data
Vulnerability data for YAFNET.Core 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
Other packages in this ecosystem, ranked by shared vulnerabilities where available.
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