---
cve: "CVE-2026-71209"
severity: "HIGH"
cvss: 7.5
epss: "1.8%"
vendor: "advplyr"
kev: false
exploited: false
published: "2026-08-05 06:59:16"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-16T03:44:09+02:00"
---

# CVE-2026-71209

> 7.5 HIGH · 🧪 PoC

## Beschreibung

audiobookshelf's authentication-exemption check (server/routers/Auth.js) matches unauthenticated-allowed GET routes against req.path via a regex requiring a literal /items/:id/cover or /authors/:id/image shape, where req.path retains %2F sequences URL-encoded. CacheManager.handleCoverCache then joins this decoded value into a cache file path and streams the result before any database-backed ownership check.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Keine | good |
| A Verfügbarkeit | Keine | good |

## Referenzen

- <https://github.com/advplyr/audiobookshelf/security/advisories/GHSA-pg8v-5jcv-wrvw>
- <https://github.com/advplyr/audiobookshelf>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-71209) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_