{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-31240", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-05-12T17:19:55.380Z", "dateReserved": "2026-03-09T00:00:00.000Z", "datePublished": "2026-05-12T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-05-12T17:19:55.380Z"}, "descriptions": [{"lang": "en", "value": "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."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/mem0ai/mem0"}, {"url": "https://www.notion.so/CVE-2026-31240-35d1e13931888170964ae035c04a8f18"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}}, "dataVersion": "5.2"}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-31240", "lastModified": "2026-05-12T18:16:52.443", "metrics": {}, "published": "2026-05-12T18:16:52.443", "references": [{"source": "cve@mitre.org", "url": "https://github.com/mem0ai/mem0"}, {"source": "cve@mitre.org", "url": "https://www.notion.so/CVE-2026-31240-35d1e13931888170964ae035c04a8f18"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.0.0"}}], "enrichment": {"confidence": 85.0, "confidence_source": "inferred", "scores": [{"score": 85.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "mem0", "vendor": "mem0ai"}], "created": "2026-05-12T19:00:20.314206+00:00", "title": "Unauthorized Data Modification via Unauthenticated Memory Management API", "updated": "2026-05-12T19:15:22.360594+00:00", "vendors": ["mem0ai", "mem0ai$PRODUCT$mem0"], "weaknesses": ["CWE-284", "CWE-639"]}