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VULNERABILITIES

CVE-2026-3438 Details

Description

A reflected cross-site scripting vulnerability exists in Sonatype Nexus Repository versions 3.0.0 through 3.90.2 that allows unauthenticated remote attackers to execute arbitrary JavaScript in a victim's browser through a specially crafted URL. Exploitation requires user interaction.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://help.sonatype.com/en/sonatype-nexus-repository-3-91-0-release-notes.html SonatypeRelease Notes
https://support.sonatype.com/hc/en-us/articles/50609137161363 SonatypeVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Sonatype

Affected Products

ProductVersions
sonatype nexus repository manager
>= 3.0.0, < 3.91.0

CPE

  • cpe:2.3:a:sonatype:nexus_repository_manager:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-3438
NVD Published Date:
Apr 8, 2026
NVD Last Modified:
Sep 18, 2026
Source:
Sonatype
CVE-2026-3438 Details - Not Deferred