CVE-2026-56369
ImageMagick - Information Disclosure via AES-CTR Nonce Reuse in PasskeyEncipherImage
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.
INFO
Published Date :
June 30, 2026, 11:17 p.m.
Last Modified :
July 2, 2026, 6:31 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | LOW | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 4.0 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update ImageMagick to version 7.1.2-22.
- Apply vendor patches for ImageMagick.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-56369.
| URL | Resource |
|---|---|
| https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qv2q-c278-pch5 | Vendor Advisory |
| https://www.vulncheck.com/advisories/imagemagick-information-disclosure-via-aes-ctr-nonce-reuse-in-passkeyencipherimage | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-56369 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-56369
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-56369 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-56369 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jul. 02, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:* versions up to (excluding) 6.9.13-47 *cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:* versions from (including) 7.0.0-0 up to (excluding) 7.1.2-22 Added Reference Type VulnCheck: https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qv2q-c278-pch5 Types: Vendor Advisory Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/imagemagick-information-disclosure-via-aes-ctr-nonce-reuse-in-passkeyencipherimage Types: Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 01, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-56369', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-01T15:06:08.535426Z'} -
New CVE Received by [email protected]
Jun. 30, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'ImageMagick', 'product': 'ImageMagick', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '7.1.2-22', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '7.1.2-22', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}, {'vendor': 'ImageMagick', 'product': 'ImageMagick', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '6.9.13-47', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.9.13-47', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}] Added 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. Added CVSS V4.0 AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N Added CWE CWE-323 Added Reference https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qv2q-c278-pch5 Added Reference https://www.vulncheck.com/advisories/imagemagick-information-disclosure-via-aes-ctr-nonce-reuse-in-passkeyencipherimage