---
cve: "CVE-2026-55083"
severity: "CRITICAL"
cvss: 9.1
epss: ""
vendor: "dhis2"
kev: false
exploited: false
published: "2026-10-01 18:00:05"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-10-02T11:15:06+02:00"
---

# CVE-2026-55083

> 9.1 CRITICAL · 🧪 PoC

## Beschreibung

DHIS2 is a flexible information system for data capture, management, validation, analytics and visualization. From versions 2.42.0 to before 2.42.5.1, and from versions 2.43.0 to before 2.43.0.1, DHIS2 is vulnerable to remote code execution (RCE) via unsafe Java deserialization. This issue has been patched in versions 2.42.5.1, 2.43.0.1, and 2.44.

## CNA-Record (Kanon, cvelistV5)

- CNA: **GitHub_M**
- State: PUBLISHED
- Stand: 2026-10-01 18:30:36
- CNA-CVSS: **9.1** (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H`)

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **no**
  - Technical Impact: **total**

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- 9d7f88a940e6e5ee766767424306fb11cb4a1f2b (Commit)
- 58a531e163ddeefed47904841240ee436b247703 (Commit)

## Referenzen

- <https://github.com/dhis2/dhis2-core/security/advisories/GHSA-3fr2-wvqx-cmr5>
- <https://github.com/dhis2/dhis2-core/releases/tag/2.42.5.1>
- <https://github.com/dhis2/dhis2-core/releases/tag/2.43.0.1>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-55083) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_