---
cve: "CVE-2026-34746"
severity: "HIGH"
cvss: 7.7
epss: "0.4%"
vendor: "payloadcms"
kev: false
exploited: false
published: "2026-04-01 19:43:16"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-10-29T17:49:43+01:00"
---

# CVE-2026-34746

> 7.7 HIGH · 🧪 PoC

## Beschreibung

Payload is a free and open source headless content management system. Prior to version 3.79.1, an authenticated Server-Side Request Forgery (SSRF) vulnerability exists in the upload functionality. Authenticated users with create or update access to an upload-enabled collection could cause the server to make outbound HTTP requests to arbitrary URLs. This issue has been patched in version 3.79.1.

## CNA-Record (Kanon, cvelistV5)

- CNA: **GitHub_M**
- State: PUBLISHED
- Stand: 2026-04-02 15:12:09
- CNA-CVSS: **7.7** (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N`)

## CISA-Anreicherung (vulnrichment/ADP)

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

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/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 | Verändert | bad |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Keine | good |
| A Verfügbarkeit | Keine | good |

## Schwachstellen-Klasse

- **CWE-918** — Server-Side Request Forgery (SSRF)
  The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

## Angriffsmuster (CAPEC)

- [CAPEC-664 — Server Side Request Forgery](https://capec.mitre.org/data/definitions/664.html) _(Severity: High)_

## Patch verfügbar (OSV)

- 25a0e1659d837b1fa58429a71a8ce2255362aaee (Commit)

## Referenzen

- <https://github.com/payloadcms/payload/security/advisories/GHSA-6r7f-q7f5-wpx8>
- <https://github.com/payloadcms/payload/releases/tag/v3.79.1>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-34746/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_