CVE-2026-103398
HIGH
NVD
CVSS Score
8.1
Severity
HIGH
Published
Sep 30, 2026
Vendor
unknown
Description
OpenSave through 2.4.0 fails to properly validate save paths supplied by paired peers in the manifest request handler. Attackers can specify arbitrary directories outside configured save locations to read and write files through manifest and sync routes.
References
- https://gist.github.com/mansurmavlankulov/2ca66f95965fb9d4aab353bcf2434cdb
- https://github.com/Liquid-co/OpenSave
- https://github.com/Liquid-co/OpenSave/blob/v2.4.0/internal/delta/rootguard.go#L16-L30
- https://github.com/Liquid-co/OpenSave/blob/v2.4.0/internal/p2p/routes.go#L555-L566
- https://www.vulncheck.com/advisories/opensave-through-2.4.0-arbitrary-file-read-and-write-via-peer-controlled-save-path