CVE-2026-7816

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An authenticated user could inject \") TO PROGRAM 'cmd'\" to break out of the \\copy (...) context and achieve arbitrary command execution on the pgAdmin server, or \") TO '/path'\" for arbitrary file write. Additional fields (format, on_error, log_verbosity) were also raw-interpolated and exploitable.\n\nFix adds a parens-balance parser modeled on psql's strtokx tokenizer, allow-lists format/on_error/log_verbosity, rejects null bytes in the query, and tightens type and gating checks.\n\nThis issue affects pgAdmin 4: before 9.15."}, {"lang": "es", "value": "Vulnerabilidad de inyecci\u00f3n de comandos de SO (CWE-78) en la exportaci\u00f3n de consultas de Importar/Exportar de pgAdmin 4.\n\nLa entrada proporcionada por el usuario se interpol\u00f3 directamente en una plantilla de metacomando \\copy de psql sin saneamiento. Un usuario autenticado podr\u00eda inyectar \u201c) TO PROGRAM \u2019cmd\u2019\u201d para salir del contexto \\copy (...) y lograr la ejecuci\u00f3n arbitraria de comandos en el servidor de pgAdmin, o \u201c) TO \u2019/path\u2019\u201d para escritura arbitraria de archivos. Campos adicionales (format, on_error, log_verbosity) tambi\u00e9n se interpolaron sin procesar y eran explotables.\n\nLa correcci\u00f3n a\u00f1ade un analizador de balance de par\u00e9ntesis modelado a partir del tokenizador strtokx de psql, permite format/on_error/log_verbosity, rechaza bytes nulos en la consulta y endurece las comprobaciones de tipo y de control de acceso.\n\nEste problema afecta a pgAdmin 4: anterior a la versi\u00f3n 9.15."}], "id": "CVE-2026-7816", "lastModified": "2026-10-26T18:10:00.173", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-7816", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-05-11T16:08:21.423663Z", "version": "2.0.3"}}]}, "published": "2026-05-11T16:17:38.260", "references": [{"source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://github.com/pgadmin-org/pgadmin4/issues/9899"}], "sourceIdentifier": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[9.4,9.15)"}}], "enrichment": {"confidence": 89.0, "confidence_source": "matching", "scores": [{"score": 89.0, "source": "matching"}]}, "original": {"product": "pgAdmin 4", "source": "cna", "vendor": "pgadmin.org"}, "product": "pgadmin_4", "vendor": "pgadmin"}], "created": "2026-05-11T17:15:40.093324+00:00", "updated": "2026-06-18T08:15:17.786325+00:00", "vendors": ["pgadmin", "pgadmin$PRODUCT$pgadmin_4"]}