Summary iPlain-English security verdict for Jellyfin, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.
Jellyfin currently scores 0/100 — critical. No tracked vulnerabilities are currently known to be exploited in the wild. Upgrade promptly to address the open critical vulnerabilities.
Disclosure trend iNew CVEs published for Jellyfin 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-2021-21402 HIGH Path traversal EPSS 80% → fixed in 10.7.1 CVE-2021-29490 MEDIUM Server-side request forgery (SSRF) EPSS 70% → fixed in 10.7.3 CVE-2023-30627 CRITICAL Cross-site scripting (XSS) EPSS 1% → fixed in 10.8.10 CVE-2026-35031 CRITICAL Improper input validation EPSS 1% → fixed in 10.11.7 CVE-2026-31852 CRITICAL Improper privilege management EPSS 0% → see advisory CVE-2026-35033 CRITICAL CWE-88 EPSS 0% → fixed in 10.11.7Get alerted about Jellyfin
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Frequently asked
Is Jellyfin safe and patched?
Jellyfin currently scores 0/100 — critical. No tracked vulnerabilities are currently known to be exploited in the wild. Upgrade promptly to address the open critical vulnerabilities.
What should I do about Jellyfin now?
Review the patch-priority list, apply the available fixes (or move to the latest release), and confirm against Jellyfin's official advisory.
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 Jellyfin's official advisory before you patch or upgrade — Jellyfin official site ↗