Task Management Vulnerability in Sonatype Nexus Repository
CVE-2026-3199

9.4CRITICAL

Key Information:

Vendor

Sonatype

Status
Nexus Repository
Vendor
CVE Published:
8 April 2026

What is CVE-2026-3199?

A security issue in the task management component of Sonatype Nexus Repository allows an authenticated user with task creation permissions to execute arbitrary code. This vulnerability occurs due to a failure to enforce security controls properly, particularly the nexus.scripts.allowCreation setting, enabling attackers to bypass these protections and execute unwanted scripts.

Affected Version(s)

Nexus Repository 3.22.1 < 3.91.0

References

https://help.sonatype.com/en/sonatype-nexus-repository-3-...
patch
https://support.sonatype.com/hc/en-us/articles/5061541454...
vendor-advisory

CVSS V4

Score:
9.4
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Wes Clemons of Millennium Corporation
.