CVE-2026-10748 Nexus Repository 3 - Remote Code Execution via License Deserialization

High 8.6 Published Updated

Authenticated users with licensing privileges can execute arbitrary OS commands via crafted license files in Nexus Repository.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-10748?

CVE-2026-10748 is a high-severity unsafe deserialization vulnerability in Sonatype Nexus Repository Manager, published on 16 Jun 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

An authenticated user with the nx-licensing-create privilege can upload a specially crafted license file to execute arbitrary operating system commands as the Nexus process user in Sonatype Nexus Repository 3 versions before 3.92.0.

Weakness: CWE-502

Which versions are affected by CVE-2026-10748?

It affects 1 product.

Products include Sonatype Nexus Repository Manager.

How do I fix CVE-2026-10748?

No fix has been published for CVE-2026-10748 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2026-10748 being exploited?

There is no known exploitation of CVE-2026-10748 in the wild and no public exploit code.

All Sonatype Nexus Repository Manager vulnerabilities

Sources

Also known as GHSA-mfx4-8g7q-p97w.

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