# CVE-2025-64325

## Summary

- **CVE ID:** CVE-2025-64325
- **Severity:** HIGH
- **CVSS Score:** 8.4 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N)
- **CWE:** CWE-79, CWE-116
- **Published:** Nov 18, 2025
- **Last Modified:** Mar 12, 2026

## Description

Emby Server is a personal media server. Prior to version 4.8.1.0 and prior to Beta version 4.9.0.0-beta, a malicious user can send an authentication request with a manipulated X-Emby-Client value, which gets added to the devices section of the admin dashboard without sanitization. This issue has been patched in version 4.8.1.0 and Beta version 4.9.0.0-beta.

## Affected Products

- EmbySupport — Emby.Security (Emby Server (Web App) < 4.8.1.0)
- EmbySupport — Emby.Security (Emby Server Beta (Web App) < 4.9.0.0-beta)

## References

- [CNA](https://github.com/EmbySupport/Emby.Security/security/advisories/GHSA-2gwc-988r-2r7x)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.42%
- **EPSS Percentile:** 35.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._