CVE-2026-3438 | Security Details | Sonatype Guide
CVE-2026-3438
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.
Published Mar 27, 2026
CVSS Score
Medium
5.1
Security Details
Components Impacted
- Sonatype Research
CVE Details
- CVE ID: CVE-2026-3438
- CWE: CWE-79 Learn more about CWE-79
- CVE 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.
- Published: Mar 27, 2026
CVSS Score & Severity
- Score: 5.1 Medium
- CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N
- EPSS Score: 0.359%
Malware
- KEV Status: Not in KEV Catalog: No known exploits
Affected Ecosystems
- Source: National Vulnerability Database