8.8High
Sonatype Nexus Repository Manager
CVE-2026-3199
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.
What this means for your business
- It affects Sonatype Nexus Repository Manager. It matters if your company, or a supplier that handles your data, runs it.
- An attacker can use it remotely, over a network, with an ordinary user login, and without anyone at your company clicking anything.
- FIRST's prediction model gives it a 0.5% chance of attack attempts being seen in the next 30 days, ranking above 39% of all known flaws.
What to do
- 1Check whether your company or your suppliers run Sonatype Nexus Repository Manager, and which version. The affected versions are listed further down this page.
- 2If you do, apply the vendor's fix. A patch or vendor advisory has been published.
Not sure if your company is exposed?
Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.
Scoring
- CVSS
- 8.8 (v3.1)
- Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- CVSS v4
- 9.4
- Weakness
- CWE-502
- Assigned by
- 103e4ec9-0a87-450b-af77-479448ddef11
Dates
- Published
- 2026-04-08
- Last modified
- 2026-09-18
- Sources
- NVD
Affected products
- Sonatype Nexus Repository Manager3.22.1 - 3.91.0
As listed in the NVD configuration data. Not a statement about your estate.