CVE-2026-3329: Nexus Repository Manager - Improper Restriction of Excessive Authentication Attempts

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-11 · updated 2026-10-26
Weakness: CWE-307

Description

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

Affected products

Sonatype Nexus Repository 3: from 3.0.0 before 3.93.0 — fixed in 3.93.0

How to fix

Upgrade to a fixed version: Sonatype Nexus Repository 3 3.93.0. Check the vendor advisory for mitigations.

References

https://help.sonatype.com/en/sonatype-nexus-repository-3-93-0-release-notes.html
https://support.sonatype.com/hc/en-us/articles/52482870409491

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