OPNsense ↗
Compare OPNsense
Head-to-head on security track record — known CVEs, active exploitation and support status:
Summary iPlain-English security verdict for OPNsense, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.
OPNsense currently scores 36/100 — high risk. No tracked vulnerabilities are currently known to be exploited in the wild. Upgrade soon — serious vulnerabilities are open and a fix usually exists.
Disclosure trend iNew CVEs published for OPNsense each year (NVD). A higher bar means more disclosures that year — more scrutiny, not necessarily less safe.
Patch priority — what to act on iThe issues to fix first — actively exploited (CISA KEV) first, then by exploitation probability (EPSS), then severity. Each row's "→ fixed in" is the earliest version that patches it; "see advisory" means no fixed version is published.
Most urgent first — actively exploited, then likeliest to be exploited.
CVE-2026-44194 CRITICAL OS command injection EPSS 6% → fixed in 26.1.8 CVE-2023-39004 CRITICAL Incorrect permission assignment EPSS 1% → fixed in 23.7 CVE-2026-44193 CRITICAL CWE-88 EPSS 1% → fixed in 26.1.7 CVE-2026-45158 CRITICAL CWE-88 EPSS 1% → fixed in 26.1.8Get alerted about OPNsense
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Frequently asked
Is OPNsense safe and patched?
OPNsense currently scores 36/100 — high risk. No tracked vulnerabilities are currently known to be exploited in the wild. Upgrade soon — serious vulnerabilities are open and a fix usually exists.
What should I do about OPNsense now?
Review the patch-priority list, apply the available fixes (or move to the latest release), and confirm against OPNsense's official advisory.
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lifecycle unknown — needs latest supported version
Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against OPNsense's official advisory before you patch or upgrade — OPNsense official site ↗