CVE-2025-64113 Emby Server allows attackers to gain administrative server access without preconditions

What is CVE-2025-64113?

CVE-2025-64113 is a critical vulnerability in EmbySupport security, published on 9 Dec 2025.

Official description

Emby Server is a user-installable home media server. Versions below 4.9.1.81 allow an attacker to gain full administrative access to an Emby Server (for Emby Server administration, not at the OS level). Other than network access, no specific preconditions need to be fulfilled for a server to be vulnerable. This issue is fixed in version 4.9.1.81.

Weakness: CWE-640

Which versions are affected by CVE-2025-64113?

2 open source packages ship an affected version, including MediaBrowser.Server.Core. It affects 1 product.

Products include Emby Emby.

How do I fix CVE-2025-64113?

Upgrade MediaBrowser.Server.Core to 4.9.1.81 or later.

Is CVE-2025-64113 being exploited?

There is no known exploitation of CVE-2025-64113 in the wild and no public exploit code.

Other vulnerabilities in EmbySupport security

• CVE-2021-25827 Auth bypass in n/a Critical 9.8
• CVE-2020-26948 Server-side request forgery in n/a Critical 9.8
• CVE-2025-64325 Emby Server is Vulnerable to Remote Code Execution Through XSS in Admin Dashboard High 8.4
• CVE-2021-25828 Cross-site scripting in n/a Medium 6.1
• CVE-2022-36223 Cross-site scripting in n/a Medium 6.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-95fv-5gfj-2r84.