CVE-2025-58753Medium▾ Sunlitcopyparty: Sharing a single file does not fully restrict access to other files in source folder
▾ Sunlit zone — Low / medium · no exploitation signal
impact 27.5 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Jul 8.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
0.3%
0.3% → 0.4%
There was a missing permission-check in the shares feature (the shr global-option).
When a share is created for just one file inside a folder, it was possible to access the other files inside that folder by guessing the filenames.
It was not possible to descend into subdirectories in this manner; only the sibling files were accessible.
This issue did not affect filekeys or dirkeys.
copyparty < 1.19.8Upgrade to a patched release:
copyparty 1.19.8Connected by shared product, vendor, weakness, or advisory.
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