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Vulnerabilities

Security fix · CVE-2025-64325

Emby Server is a personal media server.

Published Nov 18, 2025 · catalog updated Nov 19, 2025 · EmbySupport Emby.Security

Last checked Nov 1, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-64325. EPSS is 0.44%. Act only if a listed version of EmbySupport Emby.Security is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.44%
Remediation
Version ranges on file
Affected products
vendor EmbySupport Emby.Security Emby Server (Web App) < 4.8.1.0

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor EmbySupport Emby.Security Emby Server (Web App) < 4.8.1.0Emby Server (Web App) < 4.8.1.0

How to fix CVE-2025-64325

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-64325. EPSS is 0.44%. Act only if a listed version of EmbySupport Emby.Security is installed.

Which versions are affected?

Compare what you have installed with EmbySupport Emby.Security Emby Server (Web App) < 4.8.1.0 Emby Server (Web App) < 4.8.1.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.44%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 18, 2025 · EUVD

    Detected

    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.

  2. Nov 19, 2025 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-64325

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-64325

    30-day exploitation probability 0.44%

    first.org
  • EUVDVulnerability recordEUVD-2025-198099

    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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 1, 2026
  • CVE.orgOct 28, 2026
  • EUVDOct 28, 2026