Prevent path traversal in audio cache#3
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profileID and character values (which can come from HTTP requests) were joined into filesystem paths without validation, allowing ../ escapes; ClearProfileCache could os.RemoveAll outside the cache dir. Validate cache path components against an allowlist and verify the resolved path stays within the cache root. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Summary
profileIDandcharactervalues (which can originate from HTTP requests) were joined directly into filesystem paths inapp/cache/cache.go, allowing../traversal.ClearProfileCachecallsos.RemoveAll, making it an arbitrary-directory-delete primitive.^[A-Za-z0-9._-]+$, rejecting..).Testing
CGO_ENABLED=1 go build ./...passes.🤖 Generated with Claude Code