---
cve: "CVE-2026-33074"
severity: "MEDIUM"
cvss: 6.3
epss: "17%"
vendor: "discourse"
kev: false
exploited: false
published: "2026-03-31 18:16:51"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-15T12:42:23+02:00"
---

# CVE-2026-33074

> 6.3 MEDIUM · 🧪 PoC

## Beschreibung

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, a user may be able to purchase a lower tier subscription but grant themselves the benefits that comes along with a higher tier subscription. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- b3f024ce9587e678216892cbd967201b2450e197 (Commit)
- 4431801e7b5af883edb430643fdace7608ffb6fb (Commit)

## Referenzen

- <https://github.com/discourse/discourse/security/advisories/GHSA-9vg5-mp49-xghh>
- <https://github.com/discourse/discourse/commit/c34f2aac8dcd1ae2886fa84256f607bc003f9d80>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-33074) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_