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CVE

CVE-2023-30626

Jellyfin is a free-software media system. Versions starting with 10.8.0 and prior to 10.8.10 and prior have a directory

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.

HIGH · CVSS 8.8 EPSS 0.0076
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
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Affected Products & Versions

1
jellyfin>= 10.8.0 and < 10.8.10
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
NuGet Jellyfin.Controller HIGH fixed in 10.8.10
⚠

Public Exploits & PoCs

2
pocgithub.com · ClientLogController.cs#L44github.com
pocgithub.com · GHSA-9p5f-5x8v-x65mgithub.com
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD24 Apr 2023 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/jellyfin/jellyfin-web/security/advisories/GHSA-89hp-h43h-r5pqVendor Advisory
https://github.com/jellyfin/jellyfin/commit/82ad2633fdfb1c37a158057c7935f83e1129eda7Patch
https://github.com/jellyfin/jellyfin/pull/5918PatchVendor Advisory
https://github.com/jellyfin/jellyfin/releases/tag/v10.8.10Release Notes
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