High severity · published Jun 11, 2026
CVE-2026-3329
Nexus Repository Manager - Improper Restriction of Excessive Authentication Attempts
7.5
CVSS
0.4%
EPSS
No
On KEV
Description
A remote unauthenticated attacker may be able to conduct credential-guessing attacks against user accounts in Sonatype Nexus Repository via authentication endpoints.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NR
Nexus Repository Manager · Sonatype
3.0.0 before 3.93.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-3329
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-3329
Release Notes
https://help.sonatype.com/en/sonatype-nexus-repository-3-93-0-release-notes.html
Vendor Advisory
https://support.sonatype.com/hc/en-us/articles/52482870409491
More from Nexus Repository Manager
9.8
CVE-2019-7238
Sonatype Nexus Repository Manager Incorrect Access Control Vulnerability
9.8
CVE-2026-5189
Nexus Repository 3 - Hardcoded Credential in Internal Database Component
9.8
CVE-2019-9629
Sonatype Nexus Repository Manager before 3.17.0 establishes a default administrator user with weak defaults (fixed credentials)
9.8
CVE-2017-17717
Sonatype Nexus Repository Manager through 2.14.5 has weak password encryption with a hardcoded CMMDwoV value in the LDAP integration feature
8.8
CVE-2026-17600
Nexus Repository 3 - Session Not Invalidated on User Account Deletion or Deactivation