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

High 8.7 Published Updated

Remote attackers can bypass authentication rate limits to guess user credentials in Sonatype Nexus Repository Manager.

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

What is CVE-2026-3329?

CVE-2026-3329 is a high-severity authentication bypass vulnerability in Sonatype Nexus Repository Manager, published on 11 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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

Weakness: CWE-307

Which versions are affected by CVE-2026-3329?

It affects 1 product.

Products include Sonatype Nexus Repository Manager.

How do I fix CVE-2026-3329?

No fix has been published for CVE-2026-3329 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-3329 being exploited?

There is no known exploitation of CVE-2026-3329 in the wild and no public exploit code.

All Sonatype Nexus Repository Manager vulnerabilities

Sources

Also known as GHSA-pfx2-jf85-mvf2.

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