CVE-2026-97666: Nexus Repository 3 3.0.0 to before 3.97.0

Affected technology

Nexus Repository 3 · 3.0.0 to before 3.97.0
Sonatype

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

An unauthenticated remote attacker can supply attacker-controlled input to a Java class loading call through an ExtDirect endpoint. Source advisory’s CVSS 4.0 assessment (base score 6.9/10) rates confidentiality impact as low; integrity and availability impact as none.