Credential-guessing via authenticated endpoints in Sonatype Nexus Repository
CVE-2026-3329 Published on June 11, 2026

Nexus Repository Manager - Improper Restriction of Excessive Authentication Attempts
A remote unauthenticated attacker may be able to conduct credential-guessing attacks against user accounts in Sonatype Nexus Repository via authentication endpoints.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-3329 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE

Weakness Type

Improper Restriction of Excessive Authentication Attempts

The software does not implement sufficient measures to prevent multiple failed authentication attempts within in a short time frame, making it more susceptible to brute force attacks.


Products Associated with CVE-2026-3329

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Sonatype Nexus Repository Manager
 

Affected Versions

Sonatype Nexus Repository Manager:

Exploit Probability

EPSS
0.45%
Percentile
36.68%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.