Jellyfin vulnerabilities: known CVEs & security history
Jellyfin · Media · 19 tracked CVEs · 0 actively exploited · updated June 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all Jellyfin release lines — 19 in total. A CVE here doesn't mean your version is affected — check Jellyfin's current status and the safe version to run.
Known Jellyfin CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2026-31852 | critical | 10 | 0% | 2026 |
| CVE-2026-35031 | critical | 9.9 | 1% | 2026 |
| CVE-2026-35033 | critical | 9.1 | 0% | 2026 |
| CVE-2023-30627 | critical | 9 | 1% | 2023 |
| CVE-2025-31499 | high | 8.8 | 1% | 2025 |
| CVE-2023-30626 | high | 8.8 | 2% | 2023 |
| CVE-2022-35909 | high | 8.8 | 1% | 2022 |
| CVE-2026-35032 | high | 8.1 | 0% | 2026 |
| CVE-2023-49096 | high | 7.7 | 1% | 2023 |
| CVE-2021-21402 | high | 7.7 | 80% | 2021 |
| CVE-2025-32012 | high | 7.5 | 1% | 2025 |
| CVE-2023-27161 | high | 7.5 | 1% | 2023 |
| CVE-2023-48702 | high | 7.2 | 1% | 2023 |
| CVE-2026-35034 | medium | 6.5 | 0% | 2026 |
| CVE-2021-29490 | medium | 5.8 | 70% | 2021 |
| CVE-2023-23636 | medium | 5.4 | 1% | 2023 |
| CVE-2023-23635 | medium | 5.4 | 1% | 2023 |
| CVE-2022-35910 | medium | 5.4 | 1% | 2022 |
| CVE-2024-43801 | medium | 4.6 | 0% | 2024 |
Is my Jellyfin 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 Jellyfin version → · Monitor Jellyfin for new CVEs →
Jellyfin vulnerabilities — frequently asked
How many known vulnerabilities does Jellyfin have?
IsItPatched tracks 19 CVEs for Jellyfin. 4 are critical-severity and 9 high-severity. These span every release line — what matters is whether the version you run is affected.
Does Jellyfin have any actively-exploited vulnerabilities?
None of Jellyfin'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 Jellyfin vulnerability?
Among tracked issues, CVE-2026-31852 (CRITICAL, CVSS 10) ranks highest — a Improper privilege management weakness.
Is Jellyfin safe to use?
It depends on the version. The latest supported Jellyfin 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: Jellyfin security status · Jellyfin end-of-life · actively-exploited CVEs. Always verify against Jellyfin's advisories — see our disclaimer.