{"cve":"CVE-2026-31240","nvd":{"published":"2026-05-12T18:16:52.443","modified":"2026-06-17T10:33:29.993","status":"Deferred","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":7.5},"cwes":["CWE-306"],"references":["https://github.com/mem0ai/mem0","https://www.notion.so/CVE-2026-31240-35d1e13931888170964ae035c04a8f18"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:35:16.954578616+00:00"},"epss":{"cve":"CVE-2026-31240","score":0.00372,"percentile":0.31174,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-jfv9-68m5-gjjr","url":"https://osv.dev/vulnerability/GHSA-jfv9-68m5-gjjr","summary":"mem0 server lacks authentication and authorization controls for its memory management API endpoints","modified":"2026-07-13T16:43:45.967686943Z","packages":[{"ecosystem":"PyPI","name":"mem0ai","purl":"pkg:pypi/mem0ai","ranges":["<=1.0.0"],"fixed":[]}]},{"id":"PYSEC-2026-2635","url":"https://osv.dev/vulnerability/PYSEC-2026-2635","summary":"mem0 server lacks authentication and authorization controls for its memory management API endpoints","modified":"2026-07-13T16:32:14.690497350Z","packages":[{"ecosystem":"PyPI","name":"mem0ai","purl":"pkg:pypi/mem0ai","ranges":["<=1.0.0"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}