CVE-2026-31240High· 7.5▾ Twilightmem0 server lacks authentication and authorization controls for its memory management API endpoints
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Jul 13.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
0.4%
The mem0 1.0.0 server lacks authentication and authorization controls for its memory management API endpoints. Critical functions such as updating memory records (PUT /memories/{memory_id}) are exposed without any verification of the requester's identity or permissions. A remote attacker can exploit this by sending unauthenticated requests to modify, overwrite, or delete arbitrary memory records, leading to unauthorized data manipulation and potential data loss.
mem0ai <= 1.0.0Refer to the advisory for the patched release.
Connected by shared product, vendor, weakness, or advisory.
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CVE-2026-31241Medium· 6.5mem0 server lacks authentication and authorization controls for its memory deletion API endpoint
CVE-2026-31245Medium· 5.3mem0 server lacks authentication and authorization controls for its memory creation API endpoint