AIKIDO-2026-134853
psd-tools is vulnerable to Path Traversal
55
Medium Risk
This Affects:
psd-toolsTL;DR
psd-tools resolves an external smart object by opening the fullPath value stored in the PSD file, and applies confinement only when the caller passes external_dir. Accessing SmartObject.data, or calling open() or save() without that argument, follows an absolute path taken from an untrusted document. A crafted PSD makes the library read any file the process can access and return its bytes to the caller. The fix confines external reads to external_dir or the current working directory by default and adds a trust_full_path opt-in for trusted files.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and your application reads external smart objects from untrusted PSD files.
Background info
psd-tools is vulnerable to Path Traversal in versions 1.17.1 - 1.17.4.
How to fix this
Upgrade the psd-tools library to the patch version.
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