---
cve: "CVE-2026-84657"
severity: "MEDIUM"
cvss: 4.2
epss: "19%"
vendor: "Jenkins Project"
kev: false
exploited: false
published: "2026-09-02 16:17:30"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-19T12:06:11+02:00"
---

# CVE-2026-84657

> 4.2 MEDIUM

## Beschreibung

In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, the build CLI command does not check the Item/Cancel permission when using the -s flag to cancel a build triggered to wait for completion, allowing attackers with Item/Build permission to cancel builds started by other users.

## CVSS-Vektor

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

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

## Referenzen

- <https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4015>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-84657) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_