CVE-2026-56369
lowpriority · track · 0OT risk · elevatedEPSS 0.002 · 14 %ileDEEURUUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.7–6.3
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (32)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-1567ImageMagick: Mehrere SchwachstellenDeutsch2026-05-17csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in ImageMagick ausnutzen, um einen Denial of Service Angriff durchzuführen oder Informationen offenzulegen.
- GHSA-qv2q-c278-pch5ImageMagick: Information Disclosure in PasskeyEncipherImage via AES-CTR nonce reuse2026-05-21ghsa · osvUS
The PasskeyEncipherImage method is vulnerable to information disclosure via AES-CTR nonce reuse. ImageMagick has update the documentation on its website to make it more clear that this is happening: https://imagemagick.org/cipher/
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qv2q-c278-pch5cnnvd
- https://www.vulncheck.com/advisories/imagemagick-information-disclosure-via-aes-ctr-nonce-reuse-in-passkeyencipherimagecnnvd
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qv2q-c278-pch5enisa_euvd
- https://www.vulncheck.com/advisories/imagemagick-information-disclosure-via-aes-ctr-nonce-reuse-in-passkeyencipherimageenisa_euvd
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qv2q-c278-pch5Vendor Advisorynvd
- https://www.vulncheck.com/advisories/imagemagick-information-disclosure-via-aes-ctr-nonce-reuse-in-passkeyencipherimageThird Party Advisorynvd
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