CVE-2026-58139

{"id": "CVE-2026-58139", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-58139", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-03T21:07:40.214373Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.8}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.0, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "disclosure@vulncheck.com", "affectedData": [{"repo": "https://github.com/duckdb/duckdb-aws", "vendor": "duckdb", "product": "duckdb-aws", "versions": [{"status": "affected", "version": "0", "lessThan": "7d04119ee8d3f8836e278f0e8cbf21827ff5338b", "versionType": "git"}], "packageURL": "pkg:github/duckdb/duckdb", "defaultStatus": "affected"}]}], "published": "2026-08-03T20:17:25.220", "references": [{"url": "https://github.com/duckdb/duckdb-aws/commit/7d04119ee8d3f8836e278f0e8cbf21827ff5338b", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/duckdb/duckdb-aws/pull/156", "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/duckdb-aws-extension-security-policy-bypass-via-load-aws-credentials-procedure", "source": "disclosure@vulncheck.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-863"}]}], "descriptions": [{"lang": "en", "value": "The DuckDB AWS extension for DuckDB contains a security policy bypass vulnerability that allows any database user with SQL execution permissions to extract plaintext AWS credentials by calling the load_aws_credentials function with the redact_secret parameter set to false, circumventing the database-wide allow_unredacted_secrets=false policy. Attackers can invoke this single function to retrieve the underlying AWS credential chain including access_key_id, secret_access_key, session_token, and region in plaintext, which are immediately valid against AWS APIs and particularly impactful in managed environments where pg_duckdb is preloaded and an AWS credential chain such as IMDSv2, IRSA, ECS task role, or EC2 instance role is reachable."}, {"lang": "es", "value": "La extensi\u00f3n DuckDB AWS para DuckDB contiene una vulnerabilidad de omisi\u00f3n de pol\u00edtica de seguridad que permite a cualquier usuario de base de datos con permisos de ejecuci\u00f3n de SQL extraer credenciales de AWS en texto plano llamando a la funci\u00f3n load_aws_credentials con el par\u00e1metro redact_secret establecido en false, eludiendo la pol\u00edtica allow_unredacted_secrets=false a nivel de base de datos. Los atacantes pueden invocar esta \u00fanica funci\u00f3n para recuperar la cadena de credenciales de AWS subyacente, incluyendo access_key_id, secret_access_key, session_token y region en texto plano, las cuales son inmediatamente v\u00e1lidas contra las API de AWS y particularmente impactantes en entornos gestionados donde pg_duckdb est\u00e1 precargado y una cadena de credenciales de AWS como IMDSv2, IRSA, rol de tarea de ECS o rol de instancia de EC2 es accesible."}], "lastModified": "2026-10-23T21:10:00.157", "sourceIdentifier": "disclosure@vulncheck.com"}