CVE-2026-56369 | ImageMagick before 7.1.2-22 contains an information disclosu… | CVSS 3.7 LOW

Description

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.

Metadata

CVE ID: CVE-2026-56369
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-06-21 02:05 UTC
Published: 2026-06-30 22:08 UTC
Last updated: 2026-07-01 15:07 UTC
Primary CWE: CWE-323
Reusing a Nonce, Key Pair in Encryption
Vendor / Product: ImageMagick / ImageMagick
Sources: cve.org · NVD

Severity & Metrics

3.7 LOW CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (2)

Vendor	Product	Platform	Versions
ImageMagick	ImageMagick	—	0 < 7.1.2-22, 7.1.2-22
ImageMagick	ImageMagick	—	0 < 6.9.13-47, 6.9.13-47

Weakness (CWE)

CWE	Source	Description
CWE-323	cna	Reusing a Nonce, Key Pair in Encryption

CVSS scores (2)

Score	Severity	Version	Source	Vector
6.3	MEDIUM	4.0	cna	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
3.7	LOW	3.1	cna	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

References (2)

GitHub Security Advisory (GHSA-qv2q-c278-pch5) https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qv2q-c278-pch5
VulnCheck Advisory: ImageMagick - Information Disclosure via AES-CTR Nonce Reuse in PasskeyEncipherImage https://www.vulncheck.com/advisories/imagemagick-information-disclosure-via-aes-ctr-nonce-reuse-in-passkeyencipherimage