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CVE-2026-103398 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

CNA: [email protected]CVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://gist.github.com/mansurmavlankulov/2ca66f95965fb9d4aab353bcf2434cdb	[email protected]	Technical Description
https://github.com/Liquid-co/OpenSave	[email protected]	Vendor
https://github.com/Liquid-co/OpenSave/blob/v2.4.0/internal/delta/rootguard.go#L16-L30	[email protected]	Source CodeVendor
https://github.com/Liquid-co/OpenSave/blob/v2.4.0/internal/p2p/routes.go#L555-L566	[email protected]	Source CodeVendor
https://www.vulncheck.com/advisories/opensave-through-2.4.0-arbitrary-file-read-and-write-via-peer-controlled-save-path	[email protected]	AdvisoryVendor

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-73	External Control of File Name or Path	[email protected]

Affected Products

Product	Versions
Liquid-co OpenSave	<= 2.4.0 (semver)
CPE No CPEs found in CPE dictionary for this product. Remediation No remediation found in references.

Change History

2 change records found show changes

Date	Action	Recorded By
Sep 30, 2026	CVE Modified	CISA-ADP
Sep 30, 2026	New CVE Received	[email protected]