---
cve: "CVE-2026-27935"
severity: "MEDIUM"
cvss: 6.9
epss: "0.3%"
vendor: "discourse"
kev: false
exploited: false
published: "2026-03-19 21:33:38"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-24T07:09:58+02:00"
---

# CVE-2026-27935

> 6.9 MEDIUM · 🧪 PoC

## Beschreibung

Discourse is an open-source discussion platform. Versions prior to 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 have a vulnerability in an API endpoint that discloses private topic metadata of admin users to moderator users even if the moderators do not have access to the private topics. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- 808b2ac23d8ff421563b40203091026732471c60 (Commit)
- f38464e46df1b8c51f7d60826502476908d6bb2b (Commit)

## Referenzen

- <https://github.com/discourse/discourse/security/advisories/GHSA-wxqr-r4wv-cw76>
- <https://github.com/discourse/discourse/commit/c0f6e9a903800de0dda65c114418ae703d8a51fc>
- <https://github.com/discourse/discourse/commit/d8dbb4cb189cded8c9e8b3ada859fc0db3f41897>
- <https://github.com/discourse/discourse/commit/f37e4fdf8391e4a54f1885a3a5514d390eb28bab>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-27935) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_