Credential-Guessing Vulnerability in Sonatype Nexus Repository Software
CVE-2026-3329

8.7HIGH

Key Information:

Vendor

Sonatype

Status
Nexus Repository Manager
Vendor
CVE Published:
11 June 2026

What is CVE-2026-3329?

A vulnerability has been identified in Sonatype Nexus Repository that allows remote unauthenticated attackers to potentially execute credential-guessing attacks on user accounts through authentication endpoints. This risk emphasizes the importance of securing internet-facing applications to prevent unauthorized access and protect sensitive data.

Affected Version(s)

Nexus Repository Manager 3.0.0 < 3.93.0

References

https://help.sonatype.com/en/sonatype-nexus-repository-3-...
patch
https://support.sonatype.com/hc/en-us/articles/5248287040...
vendor-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Kazuma Matsumoto of GMO Cybersecurity by IERAE, Inc.
.