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fix(backend): prevent arbitrary file reads - #254
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Restrict /tasks/file to verified PNG crops recorded for completed tasks and reject path traversal and symlink escapes. Add regression tests for file access and existing image/PDF preview workflows. Validation: 58 backend tests passed.
zRzRzRzRzRzRzR
approved these changes
Oct 13, 2026
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Restrict /tasks/file to verified PNG crops recorded for completed tasks and reject path traversal and symlink escapes. Add regression tests for file access and existing image/PDF preview workflows.