XSS in Sonatype Nexus Repository

CVE-2026-0601

A reflected cross-site scripting vulnerability exists in Nexus Repository 3 that allows unauthenticated attackers to execute arbitrary JavaScript in a victim's browser through a specially crafted request requiring user interaction.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (52.6th percentile) — read the EPSS interpretation.

Affected products

Sonatype Nexus Repository — versions 3.82.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

help.sonatype.com/en/sonatype-nexus-repository-3-88-0-release-notes.html (patch)
support.sonatype.com/hc/en-us/articles/47934334375955 (vendor-advisory)