---
cve: "CVE-2026-40162"
severity: "HIGH"
cvss: 7.1
epss: "30%"
vendor: "bugsink"
kev: false
exploited: false
published: "2026-04-10 18:16:46"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-06T10:56:21+02:00"
---

# CVE-2026-40162

> 7.1 HIGH · 🧪 PoC

## Beschreibung

Bugsink is a self-hosted error tracking tool. In 2.1.0, an authenticated file write vulnerability was identified in Bugsink 2.1.0 in the artifact bundle assembly flow. A user with a valid authentication token could cause the application to write attacker-controlled content to a filesystem location writable by the Bugsink process. This vulnerability is fixed in 2.1.1.

## CVSS-Vektor

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

| 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 | Keine | good |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Gering | warn |

## Patch verfügbar (OSV)

- c5d04b12ceebdc22942439bddd92dc70e8cd6cd0 (Commit)

## Referenzen

- <https://github.com/bugsink/bugsink/security/advisories/GHSA-8hw4-fhww-273g>
- <https://github.com/bugsink/bugsink/releases/tag/2.1.1>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-40162) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_