CVE-2026-82264 Duplicacy Path Traversal during Restore via Unsanitized Snapshot Paths
Attackers can craft malicious snapshot files to write arbitrary files outside the restore directory during Duplicacy restoration.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-82264?
CVE-2026-82264 is a medium-severity path traversal vulnerability in gilbertchen duplicacy, published on 28 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-22
Which versions are affected by CVE-2026-82264?
How do I fix CVE-2026-82264?
No fix has been published for CVE-2026-82264 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-82264 being exploited?
There is no known exploitation of CVE-2026-82264 in the wild and no public exploit code.
Sources
Also known as GHSA-8q34-4phx-mc2v.