CVE-2026-3199

High

Description

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.

SeverityHigh

CVSS8.8

Exploit probability—

ProductSonatype Nexus Repository Manager

PublishedApr 8, 2026

First seenApr 8, 2026

Weakness typeCWE-502Deserialization of untrusted data

How to fix

Update

sonatype nexus_repository_manager3.91.0 or later

Patches

help.sonatype.com/en/sonatype-nexus-repository-3-91-0-release-notes.html

Vendor advisories

support.sonatype.com/hc/en-us/articles/50615414548499

Affected products

Product	Affected versions	Fixed in
sonatype nexus_repository_manager	3.22.1 ≤ v < 3.91.0	3.91.0

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