What is CVE-2026-3329?

CVE-2026-3329 is a high-severity vulnerability in Sonatype Nexus Repository Manager, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 7.5/10. Published 2026-06-11.

How severe is CVE-2026-3329?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Sonatype Nexus Repository Manager

CVE-2026-3329

A remote unauthenticated attacker may be able to conduct credential-guessing attacks against user accounts in Sonatype Nexus Repository via authentication endpoints.

EPSS: 0.004 (36.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Sonatype Nexus Repository Manager — versions 3.0.0
Sonatype Nexus_repository_manager

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

103e4ec9-0a87-450b-af77-479448ddef11 (Release Notes, patch)
103e4ec9-0a87-450b-af77-479448ddef11 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-3329?: CVE-2026-3329 is a high-severity vulnerability in Sonatype Nexus Repository Manager, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 7.5/10. Published 2026-06-11.
How severe is CVE-2026-3329?: High severity. CVSS v3 base score is 7.5 out of 10.