---
cve: "CVE-2026-105642"
severity: "HIGH"
cvss: 8.8
epss: "0.3%"
vendor: "TryGhost"
kev: false
exploited: false
published: "2026-10-05 19:17:18"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-10-23T20:50:46+02:00"
---

# CVE-2026-105642

> 8.8 HIGH · 🧪 PoC

## Beschreibung

Ghost is a Node.js content management system. From 6.56.0 until 6.67.0, an image processing library bundled with Ghost contained a vulnerability in its SVG handling. Any staff user, including Contributors, could create a bookmark card for an attacker-controlled website, resulting in arbitrary commands being run on the Ghost server. This issue is fixed in version 6.67.0.

## CNA-Record (Kanon, cvelistV5)

- CNA: **GitHub_M**
- State: PUBLISHED
- Stand: 2026-10-05 19:04:08
- CNA-CVSS: **8.8** (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`)

## 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:N/UI:R/S:U/C:H/I:H/A:H
```

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

## Schwachstellen-Klasse

- **CWE-94** — Improper Control of Generation of Code ('Code Injection')
  The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
- **CWE-1395** — Dependency on Vulnerable Third-Party Component
  The product has a dependency on a third-party component that contains one or more known vulnerabilities.

## Angriffsmuster (CAPEC)

- [CAPEC-35 — Leverage Executable Code in Non-Executable Files](https://capec.mitre.org/data/definitions/35.html) _(Severity: Very High)_
- [CAPEC-77 — Manipulating User-Controlled Variables](https://capec.mitre.org/data/definitions/77.html) _(Severity: Very High)_
- [CAPEC-242 — Code Injection](https://capec.mitre.org/data/definitions/242.html) _(Severity: High)_

## ATT&CK-Techniken

- [T1027.006 — Obfuscated Files or Information: HTML Smuggling](https://attack.mitre.org/techniques/T1027/006/)
- [T1027.009 — Obfuscated Files or Information: Embedded Payloads](https://attack.mitre.org/techniques/T1027/009/)
- [T1564.009 — Hide Artifacts: Resource Forking](https://attack.mitre.org/techniques/T1564/009/)

## Patch verfügbar (OSV)

- 4cb7e7956356a47e2c2c240588ef32ecd9fddeaa (Commit)

## Referenzen

- <https://github.com/TryGhost/Ghost/security/advisories/GHSA-788w-68h3-cvxp>
- <https://nvd.nist.gov/vuln/detail/CVE-2026-105642>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-105642/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_