---
cve: "CVE-2026-19339"
severity: "MEDIUM"
cvss: 5.3
epss: "0.2%"
vendor: "aliyun"
kev: false
exploited: false
published: "2026-08-09 06:30:09"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-22T21:52:22+02:00"
---

# CVE-2026-19339

> 5.3 MEDIUM · 🧪 PoC

## Beschreibung

A security flaw has been discovered in aliyun alibabacloud-dataworks-mcp-server up to 1.0.43. The impacted element is the function ReadResourceRequestSchema of the file src/resources/initResources.ts. The manipulation of the argument request.params.uri results in server-side request forgery. The attack may be launched remotely. The project was informed of the problem early through an issue report but has not responded yet.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
```

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

## Referenzen

- <https://vuldb.com/vuln/387175>
- <https://vuldb.com/vuln/387175/cti>
- <https://vuldb.com/cve/CVE-2026-19339>
- <https://vuldb.com/submit/865263>
- <https://github.com/aliyun/alibabacloud-dataworks-mcp-server/issues/27>
- <https://github.com/aliyun/alibabacloud-dataworks-mcp-server/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-19339) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_
