---
cve: "CVE-2026-84656"
severity: "MEDIUM"
cvss: 4.3
epss: "20%"
vendor: "Jenkins Project"
kev: false
exploited: false
published: "2026-09-02 16:17:30"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-17T08:22:12+02:00"
---

# CVE-2026-84656

> 4.3 MEDIUM

## Beschreibung

A missing permission check in Jenkins 2.579 and earlier, LTS 2.568.2 and earlier allows attackers with Item/Read permission on at least one job to read build parameter names and values of jobs they have no access to.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Gering | warn |
| I Integrität | Keine | good |
| A Verfügbarkeit | Keine | good |

## Referenzen

- <https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4006>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-84656) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_