Sonatype Nexus 3.22.1-3.90.2 Task Exec perm bypassing nexus.scripts.allowCreation
CVE-2026-3199 Published on April 8, 2026
Nexus Repository 3 - Authenticated Remote Code Execution via Task Property Injection
A vulnerability in the task management component of Sonatype Nexus Repository versions 3.22.1 through 3.90.2 allows an authenticated attacker with task creation permissions to execute arbitrary code, bypassing the nexus.scripts.allowCreation security control.
Weakness Type
What is a Marshaling, Unmarshaling Vulnerability?
The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.
CVE-2026-3199 has been classified to as a Marshaling, Unmarshaling vulnerability or weakness.
Products Associated with CVE-2026-3199
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Affected Versions
Sonatype Nexus Repository:- Version 3.22.1 and below 3.91.0 is affected.