DNN (DotNetNuke) vulnerabilities: known CVEs & security history
DNN Software · CMS · 13 tracked CVEs · 0 actively exploited · updated November 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all DNN (DotNetNuke) release lines — 13 in total. A CVE here doesn't mean your version is affected — check DNN (DotNetNuke)'s current status and the safe version to run.
Known DNN (DotNetNuke) CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2025-64095 | critical | 10 | 47% | 2025 |
| CVE-2025-59545 | critical | 9 | 0% | 2025 |
| CVE-2026-40321 | high | 8 | 6% | 2026 |
| CVE-2026-40306 | medium | 6.5 | 0% | 2026 |
| CVE-2025-59821 | medium | 6.5 | 0% | 2025 |
| CVE-2025-59535 | medium | 6.5 | 0% | 2025 |
| CVE-2025-64094 | medium | 6.4 | 0% | 2025 |
| CVE-2025-59539 | medium | 6.3 | 0% | 2025 |
| CVE-2025-59548 | medium | 6.1 | 0% | 2025 |
| CVE-2025-59547 | medium | 5.3 | 0% | 2025 |
| CVE-2026-40305 | medium | 4.3 | 0% | 2026 |
| CVE-2025-62802 | medium | 4.3 | 0% | 2025 |
| CVE-2025-59546 | low | 2.4 | 0% | 2025 |
Is my DNN (DotNetNuke) version affected?
The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.
Check your DNN (DotNetNuke) version → · Monitor DNN (DotNetNuke) for new CVEs →
DNN (DotNetNuke) vulnerabilities — frequently asked
How many known vulnerabilities does DNN (DotNetNuke) have?
IsItPatched tracks 13 CVEs for DNN (DotNetNuke). 2 are critical-severity and 1 high-severity. These span every release line — what matters is whether the version you run is affected.
Does DNN (DotNetNuke) have any actively-exploited vulnerabilities?
None of DNN (DotNetNuke)'s tracked CVEs are currently in CISA's KEV catalog — but new ones can be added at any time, so keep your version current.
What is the most severe DNN (DotNetNuke) vulnerability?
Among tracked issues, CVE-2025-64095 (CRITICAL, CVSS 10) ranks highest — a Unrestricted file upload weakness.
Is DNN (DotNetNuke) safe to use?
It depends on the version. The latest supported DNN (DotNetNuke) release clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.
CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: DNN (DotNetNuke) security status · DNN (DotNetNuke) end-of-life · actively-exploited CVEs. Always verify against DNN Software's advisories — see our disclaimer.