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Vulnerability record · CVE-2023-30626 · published 24 April 2023

CVE-2023-30626: Jellyfin path traversal vulnerability

Jellyfin · Jellyfin

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.

8.1 CVSS 3.1 High EPSS 2.0% · top 20.4% CWE-22 · Path traversal
8.1CVSS 3.1 base score
2.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References, 4 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/jellyfin/jellyfin-web/security/advisories/GHSA-89hp-h43h-r5pq Vendor Advisory
https://github.com/jellyfin/jellyfin/blob/22d880662283980dec994cd7d35fe269613bfce3/Jellyfin.Api/Controllers/ClientLogCon ExploitVendor Advisory
https://github.com/jellyfin/jellyfin/commit/82ad2633fdfb1c37a158057c7935f83e1129eda7 Patch
https://github.com/jellyfin/jellyfin/pull/5918 PatchVendor Advisory
https://github.com/jellyfin/jellyfin/releases/tag/v10.8.10 Release Notes
https://github.com/jellyfin/jellyfin/security/advisories/GHSA-9p5f-5x8v-x65m ExploitPatchVendor Advisory
https://github.com/jellyfin/jellyfin-web/security/advisories/GHSA-89hp-h43h-r5pq Vendor Advisory
https://github.com/jellyfin/jellyfin/blob/22d880662283980dec994cd7d35fe269613bfce3/Jellyfin.Api/Controllers/ClientLogCon ExploitVendor Advisory
https://github.com/jellyfin/jellyfin/commit/82ad2633fdfb1c37a158057c7935f83e1129eda7 Patch
https://github.com/jellyfin/jellyfin/pull/5918 PatchVendor Advisory
https://github.com/jellyfin/jellyfin/releases/tag/v10.8.10 Release Notes
https://github.com/jellyfin/jellyfin/security/advisories/GHSA-9p5f-5x8v-x65m ExploitPatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-30626), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.