CVE-2026-103397
5.6 MEDIUMpublic exploit availablePublished 2026-09-30 · Updated 2026-10-02
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD description
OpenSave before 2.4.0-beta.1 fails to validate sender identity in WAN relay requests, allowing unpaired room members to impersonate paired devices by spoofing the RelayMessage From field. Attackers who know the room code can join, read paired peer identifiers from announcements, and send forged requests to access protected sync routes including save data, snapshots, and file operations.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Weaknesses
CWE-290
Public exploit & PoC references
All references
- https://gist.github.com/mansurmavlankulov/2ca66f95965fb9d4aab353bcf2434cdb
- https://github.com/Liquid-co/OpenSave
- https://github.com/Liquid-co/OpenSave/blob/v2.3.1/internal/p2p/wanclient_handlers.go#L268-L282
- https://github.com/Liquid-co/OpenSave/commit/2f2612b13233ac123e01a03cb3008c44bacaeae3
- https://www.vulncheck.com/advisories/opensave-before-2.4.0-beta.1-authentication-bypass-via-spoofed-relay-sender
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
Related CVEs
- MEDIUMCVE-2023-54411PoC
- HIGHCVE-2026-100390PoC
- HIGHCVE-2026-101280
- HIGHCVE-2026-102161
- CRITICALCVE-2026-102764
- CRITICALCVE-2026-102946PoC
- MEDIUMCVE-2026-103347
- UNSCOREDCVE-2026-103512
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