Piranha Known Vulnerabilities & Fixes
Piranha has 5 known security vulnerabilities in NuGet (.NET). Upgrade to version 10.0-alpha1 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: 10.0-alpha1
Upgrading to 10.0-alpha1 or later resolves all 5 known vulnerabilities in Piranha. Run: dotnet add package Piranha --version 10.0-alpha1
Is Piranha in your project?
Check if you're affected and upgrade to 10.0-alpha1 to stay secure.
Security Summary
- 5 affected version ranges have been identified across these 5 advisories.
- 20% of known issues have a published fixed version.
- Remediation: dotnet add package Piranha
Vulnerabilities
5 unique vulnerabilities — sorted by exploitation risk (KEV → EPSS → CVSS). Click a CVE/GHSA ID for full details. First disclosed Nov 17, 2021, most recently Dec 22, 2025 (1496 days apart).
| CVE / GHSA | Severity | Affected | Fixed In |
|---|---|---|---|
| CVE-2021-25976 Cross-Site Request Forgery in PiranhaCMS | HIGH | 4.0.0, 4.0.0-alpha1, 4.0.0-alpha3, 4.0.0-alpha4 (+70 more) | 10.0-alpha1 |
| CVE-2025-61413 Piranha CMS vulnerable to stored cross-site scripting (XSS) | MEDIUM | 10.0.0, 10.0.1, 10.0.2, 10.0.3 (+82 more) | No fix available |
| CVE-2025-57692 PiranhaCMS stored XSS | MEDIUM | 10.0.0, 10.0.1, 10.0.2, 10.0.3 (+82 more) | No fix available |
| CVE-2025-67291 Piranha has stored cross-site scripting (XSS) vulnerability | LOW | 10.0.0, 10.0.1, 10.0.2, 10.0.3 (+82 more) | No fix available |
| CVE-2025-67290 Piranha has stored cross-site scripting (XSS) vulnerability | LOW | 10.0.0, 10.0.1, 10.0.2, 10.0.3 (+82 more) | No fix available |
About This Data
Vulnerability data for Piranha 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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