gilbertchen Duplicacy up to 3.2.5 restore path traversal

Summaryinfo

A vulnerability was found in gilbertchen Duplicacy up to 3.2.5. It has been rated as problematic. Impacted is the function restore. This manipulation causes path traversal. This vulnerability is tracked as CVE-2026-82264. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in gilbertchen Duplicacy up to 3.2.5. It has been declared as problematic. Affected by this vulnerability is the function restore. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect integrity, and availability. The summary by CVE is:

Duplicacy through 3.2.5 contains a path traversal vulnerability in the restore function that fails to validate entry paths deserialized from snapshot files. Attackers can craft malicious snapshot entries with directory traversal sequences to write files outside the restore directory to arbitrary locations accessible by the restoring user.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-82264 since 08/28/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/28/2026). The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• gilbertchen

Name

• Duplicacy

Version

• 3.2.0
• 3.2.1
• 3.2.2
• 3.2.3
• 3.2.4
• 3.2.5

Website

• Product: https://github.com/gilbertchen/duplicacy/

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