---
cve: "CVE-2026-56369"
severity: "MEDIUM"
cvss: 6.3
epss: "23%"
vendor: "ImageMagick"
kev: false
exploited: false
published: "2026-06-30 23:17:31"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T10:57:55+02:00"
---

# CVE-2026-56369

> 6.3 MEDIUM · 🧪 PoC

## Beschreibung

ImageMagick before 7.1.2-22 contains an information disclosure vulnerability in the PasskeyEncipherImage method due to AES-CTR nonce reuse. Attackers can exploit nonce reuse in the cipher implementation to recover plaintext information from encrypted images.

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Hoch | good |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Patch verfügbar (OSV)

- ccf56fb3edd41389a02e4fe7a1a11a18f2b13389 (Commit)
- 5655ebcda4d1c933b10288a756c8735facacb22c (Commit)

## Referenzen

- <https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qv2q-c278-pch5>
- <https://www.vulncheck.com/advisories/imagemagick-information-disclosure-via-aes-ctr-nonce-reuse-in-passkeyencipherimage>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-56369) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_