Medium severity4.3NVD Advisory· Published Aug 18, 2026· Updated Sep 18, 2026
CVE-2026-70657
CVE-2026-70657
Description
Copyparty is a portable file server. Prior to 1.20.17, copyparty volumes with the dk or dks directory-key flag combined with the fk or fka file-key flag can convert a valid file key into a directory key, granting read access to the containing folder. This vulnerability was only reachable if both types of keys (filekeys and dirkeys) were manually enabled in the volume flags simultaneously. This issue is fixed in version 1.20.17.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
copypartyPyPI | < 1.20.17 | 1.20.17 |
Affected products
1Patches
Vulnerability mechanics
References
4News mentions
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