---
cve: "CVE-2026-35454"
severity: "HIGH"
cvss: 8.7
epss: "34%"
vendor: "coder"
kev: false
exploited: false
published: "2026-04-06 22:16:23"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-09T12:26:05+02:00"
---

# CVE-2026-35454

> 8.7 HIGH · 🧪 PoC

## Beschreibung

The Code Extension Marketplace is an open-source alternative to the VS Code Marketplace. Prior to 2.4.2, Zip Slip vulnerability in coder/code-marketplace allowed a malicious VSIX file to write arbitrary files outside the extension directory. ExtractZip passed raw zip entry names to a callback that wrote files via filepath.Join with no boundary check; filepath.Join resolved .. components but did not prevent the result from escaping the base path. This vulnerability is fixed in 2.4.2.

## CVSS-Vektor

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

## Patch verfügbar (OSV)

- 432cdc7463e70a85b35b6dc3f61a624216312896 (Commit)

## Referenzen

- <https://github.com/coder/code-marketplace/security/advisories/GHSA-8x9r-hvwg-c55h>
- <https://github.com/coder/code-marketplace/releases/tag/v2.4.2>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-35454) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_