CVE-2023-30626

Name: CVE-2023-30626
Creator: NVD / NIST
Published: 2023-04-24T21:15:09.687+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 1.97%

Last modified Jun 17, 2026

CVE-2023-30626 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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`. EPSS estimates a 1.97% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.1/10

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

EPSS Probability

1.97%

77.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Jellyfin	Jellyfin	>= 10.8.0, < 10.8.10

References

https://github.com/jellyfin/jellyfin-web/security/advisories/GHSA-89hp-h43h-r5pqVendor Advisory
https://github.com/jellyfin/jellyfin/blob/22d880662283980dec994cd7d35fe269613bfce3/Jellyfin.Api/Controllers/ClientLogController.cs#L44Exploit, Vendor Advisory
https://github.com/jellyfin/jellyfin/commit/82ad2633fdfb1c37a158057c7935f83e1129eda7Patch
https://github.com/jellyfin/jellyfin/pull/5918Patch, Vendor Advisory
https://github.com/jellyfin/jellyfin/releases/tag/v10.8.10Release Notes
https://github.com/jellyfin/jellyfin/security/advisories/GHSA-9p5f-5x8v-x65mExploit, Patch, Vendor Advisory
https://github.com/jellyfin/jellyfin-web/security/advisories/GHSA-89hp-h43h-r5pqVendor Advisory
https://github.com/jellyfin/jellyfin/blob/22d880662283980dec994cd7d35fe269613bfce3/Jellyfin.Api/Controllers/ClientLogController.cs#L44Exploit, Vendor Advisory
https://github.com/jellyfin/jellyfin/commit/82ad2633fdfb1c37a158057c7935f83e1129eda7Patch
https://github.com/jellyfin/jellyfin/pull/5918Patch, Vendor Advisory
https://github.com/jellyfin/jellyfin/releases/tag/v10.8.10Release Notes
https://github.com/jellyfin/jellyfin/security/advisories/GHSA-9p5f-5x8v-x65mExploit, Patch, Vendor Advisory

Timeline

Published: Apr 24, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-30626?

How severe is CVE-2023-30626?

CVE-2023-30626 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 1.97% probability of exploitation in the next 30 days.

How do I fix CVE-2023-30626?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-30626?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST