---
cve: "CVE-2026-3438"
severity: "MEDIUM"
cvss: 5.1
epss: "0.4%"
vendor: "Sonatype"
kev: false
exploited: false
published: "2026-04-08 23:16:59"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-22T23:28:01+02:00"
---

# CVE-2026-3438

> 5.1 MEDIUM

## Beschreibung

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.

## CVSS-Vektor

```
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
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |

## Patch verfügbar (OSV)

- b5bed116d57ed89ee2289de89fd1eb6116d2476f (Commit)

## Referenzen

- <https://help.sonatype.com/en/sonatype-nexus-repository-3-91-0-release-notes.html>
- <https://support.sonatype.com/hc/en-us/articles/50609137161363>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-3438) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_