---
cve: "CVE-2025-55010"
severity: "CRITICAL"
cvss: 9.1
epss: "0.9%"
vendor: "kanboard"
kev: false
exploited: false
published: "2025-08-12 16:15:28"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-10-23T21:29:41+02:00"
---

# CVE-2025-55010

> 9.1 CRITICAL · 🧪 PoC

## Beschreibung

Kanboard is project management software that focuses on the Kanban methodology. Prior to version 1.2.47, an unsafe deserialization vulnerability in the ProjectEventActvityFormatter allows admin users the ability to instantiate arbitrary php objects by modifying the event["data"] field in the project_activities table. A malicious actor can update this field to use a php gadget to write a web shell into the /plugins folder, which then gives remote code execution on the host system. This issue has been patched in version 1.2.47.

## CNA-Record (Kanon, cvelistV5)

- CNA: **GitHub_M**
- State: PUBLISHED
- Stand: 2025-08-12 16:24:36
- 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: **poc**
  - 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 |

## Schwachstellen-Klasse

- **CWE-502** — Deserialization of Untrusted Data
  The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

## Angriffsmuster (CAPEC)

- [CAPEC-586 — Object Injection](https://capec.mitre.org/data/definitions/586.html) _(Severity: High)_

## Patch verfügbar (OSV)

- b57deb7082797b791a3fa39dbcdc5e5c2b14b541 (Commit)
- 7148ac092e5db6b33e0fc35e04bca328d96c1f6f (Commit)

## Referenzen

- <https://github.com/kanboard/kanboard/security/advisories/GHSA-359x-c69j-q64r>
- <https://github.com/kanboard/kanboard/commit/7148ac092e5db6b33e0fc35e04bca328d96c1f6f>
- <https://github.com/kanboard/kanboard/blob/b033c0e0f982f8158e240bce8ab54c29727f8efe/app/Formatter/ProjectActivityEventFormatter.php#L43-L57>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2025-55010/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_