---
cve: "CVE-2026-34393"
severity: "HIGH"
cvss: 8.8
epss: "0.4%"
vendor: "WeblateOrg"
kev: false
exploited: false
published: "2026-04-15 19:16:36"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-29T04:09:53+02:00"
---

# CVE-2026-34393

> 8.8 HIGH · 🧪 PoC

## Beschreibung

Weblate is a web based localization tool. In versions prior to 5.17, the user patching API endpoint didn't properly limit the scope of edits. This issue has been fixed in version 5.17.

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **no**
  - Technical Impact: **total**

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- 1dd6ea9403d1f266d03e4537a91d6e57c5f6310f (Commit)

## Referenzen

- <https://github.com/WeblateOrg/weblate/security/advisories/GHSA-3382-gw9x-477v>
- <https://github.com/WeblateOrg/weblate/pull/18687>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-34393) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_