---
cve: "CVE-2026-69091"
severity: "HIGH"
cvss: 8.7
epss: "36%"
vendor: "Admidio"
kev: false
exploited: false
published: "2026-08-03 14:16:29"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-03T04:54:42+02:00"
---

# CVE-2026-69091

> 8.7 HIGH · 🧪 PoC

## Beschreibung

Admidio before 5.0.11 contains an authentication bypass vulnerability in the forum module when configured in login-only mode. The access control logic in modules/forum.php fails to validate the login-only configuration state, allowing unauthenticated attackers to read forum topics and posts by directly accessing the module with read-only parameters.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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 | Keine | bad |
| UI Interaktion | Keine | bad |

## Patch verfügbar (OSV)

- a3b276bd82f7533bcddf0059f561facaf050a9aa (Commit)

## Referenzen

- <https://github.com/Admidio/admidio/security/advisories/GHSA-cf48-6jrq-gjcm>
- <https://www.vulncheck.com/advisories/admidio-before-authentication-bypass-via-forum-php>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-69091) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_