CVE-2026-103398
OpenSave through 2.4.0 Arbitrary File Read and Write via Peer-Controlled Save Path
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-73 |
| Vendor | liquid-co |
| Product | opensave |
| Published | Sep 30, 2026 |
| Last Updated | Sep 30, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
Liquid-co / OpenSave
0 ≤ 2.4.0
References
gist.github.com: https://gist.github.com/mansurmavlankulov/2ca66f95965fb9d4aab353bcf2434cdb github.com: https://github.com/Liquid-co/OpenSave/blob/v2.4.0/internal/p2p/routes.go#L555-L566 github.com: https://github.com/Liquid-co/OpenSave/blob/v2.4.0/internal/delta/rootguard.go#L16-L30 github.com: https://github.com/Liquid-co/OpenSave vulncheck.com: https://www.vulncheck.com/advisories/opensave-through-2.4.0-arbitrary-file-read-and-write-via-peer-controlled-save-path
Credits
mansurmavlankulov