---
cve: "CVE-2026-42052"
severity: "MEDIUM"
cvss: 6.0
epss: "30%"
vendor: "beetbox"
kev: false
exploited: false
published: "2026-05-04 18:16:30"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-07T02:15:31+02:00"
---

# CVE-2026-42052

> 6.0 MEDIUM · 🧪 PoC

## Beschreibung

Beets is the media library management system. Prior to version 2.10.0, the bundled web UI uses Underscore template interpolation mode  for untrusted metadata fields. In this runtime,  is raw insertion and HTML escaping is only performed by . Rendered output is then inserted with .html(...), allowing attacker-controlled markup to become active DOM. This issue has been patched in version 2.10.0.

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |

## Patch verfügbar (OSV)

- 5f6b2d35d186fb9f6402dfb7ec904b6c8383a6cd (Commit)

## Referenzen

- <https://github.com/beetbox/beets/security/advisories/GHSA-3gxm-wfjx-m847>
- <https://github.com/beetbox/beets/releases/tag/v2.10.0>
- <https://lists.debian.org/debian-lts-announce/2026/06/msg00030.html>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-42052) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_