CVE-2023-30626Jellyfin vulnerable to directory traversal and file write causing arbitrary code execution
- 8.8HighCVSS base score
- 2.0%Exploitation in 30 daysEPSS · top 19% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Jellyfin is a free-software media system. Versions starting with 10.8.0 and prior to 10.8.10 and prior have a directory traversal vulnerability inside the `ClientLogController`, specifically `/ClientLog/Document`. When combined with a cross-site scripting vulnerability (CVE-2023-30627), this can result in file write and arbitrary code execution. Version 10.8.10 has a patch for this issue. There are no known workarounds.
Timeline
ID reserved
By GitHub_M
- 11 days later
· 11 days later
Published
- 22 months later
· 22 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
- EPSS (exploitation in 30 days)
- 2.0% · top 19% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Affected products
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- NuGetJellyfin.ControllerGHSA-9p5f-5x8v-x65m (opens in a new tab)
References
References6
- https://github.com/jellyfin/jellyfin/security/advisories/GHSA-9p5f-5x8v-x65m (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/jellyfin/jellyfin-web/security/advisories/GHSA-89hp-h43h-r5pq (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/jellyfin/jellyfin/pull/5918 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/jellyfin/jellyfin/commit/82ad2633fdfb1c37a158057c7935f83e1129eda7 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/jellyfin/jellyfin/blob/22d880662283980dec994cd7d35fe269613bfce3/Jellyfin.Api/Controllers/ClientLogController.cs#L44 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/jellyfin/jellyfin/releases/tag/v10.8.10 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2023-1255 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-9p5f-5x8v-x65m (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-30626)Record last updated .