ImageMagick <=7.1.2-24 arbitrary file write via policy check flaw
CVE-2026-56377 Published on June 30, 2026
ImageMagick - Policy Bypass via Incorrect Path Validation
ImageMagick before 7.1.2-24 contains an incorrect policy check that allows attackers to create or truncate files disallowed by security policies. Remote attackers can bypass path policy restrictions in sandboxed conversion services to write arbitrary files outside intended boundaries.
Vulnerability Analysis
CVE-2026-56377 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.
Weakness Type
What is a Directory traversal Vulnerability?
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CVE-2026-56377 has been classified to as a Directory traversal vulnerability or weakness.
Products Associated with CVE-2026-56377
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Affected Versions
ImageMagick:- Before 7.1.2-24 is affected.
- Version 7.1.2-24 is unaffected.
- Before 6.9.13-48 is affected.
- Version 6.9.13-48 is unaffected.