CVE-2026-48768

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{"affected": [{"affectedData": [{"product": "typebot.io", "vendor": "baptisteArno", "versions": [{"status": "affected", "version": "< 3.17.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "TypeBot is a chatbot builder tool. In versions 3.16.1 and earlier, POST /api/blocks/file-input/v3/generate-upload-url is unauthenticated and uses unsanitized fileName input to construct public/ S3 object keys, while issuing presigned PUT URLs that do not bind Content-Type. As a result, any anonymous visitor to a published bot with a file input can upload attacker-controlled HTML, SVG, or JS to attacker-chosen subpaths, including other tenants\u2019 publicly served result paths, enabling arbitrary content hosting and potential stored XSS on the storage origin. ../ traversal is blocked by S3/MinIO canonicalization (signature mismatch), but forward-slash path injection is exploitable. This issue has been fixed in version 3.17.0."}, {"lang": "es", "value": "TypeBot es una herramienta de creaci\u00f3n de chatbots. En las versiones 3.16.1 y anteriores, POST /API/blocks/file-input/v3/generate-upload-url no requiere autenticaci\u00f3n y utiliza una entrada fileName no saneada para construir claves de objeto S3 en public/, mientras emite URLs PUT pre-firmadas que no vinculan Content-Type. Como resultado, cualquier visitante an\u00f3nimo a un bot publicado con una entrada de archivo puede cargar HTML, SVG o JS controlados por el atacante a subrutas elegidas por el atacante, incluyendo las rutas de resultados servidas p\u00fablicamente de otros inquilinos, lo que permite el alojamiento de contenido arbitrario y un potencial XSS almacenado en el origen de almacenamiento. La transversalidad .. / es bloqueada por la canonizaci\u00f3n de S3/MinIO (desajuste de firma), pero la inyecci\u00f3n de ruta con barra inclinada es explotable. Este problema ha sido solucionado en la versi\u00f3n 3.17.0."}], "id": "CVE-2026-48768", "lastModified": "2026-10-26T11:10:00.157", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.3, "baseSeverity": "CRITICAL", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.7, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-48768", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-18T19:01:18.948671Z", "version": "2.0.3"}}]}, "published": "2026-06-18T00:16:23.887", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/baptisteArno/typebot.io/releases/tag/v3.17.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/baptisteArno/typebot.io/security/advisories/GHSA-fp7x-6pqh-vhvf"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/baptisteArno/typebot.io/security/advisories/GHSA-fp7x-6pqh-vhvf"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}, {"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,3.17.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "typebot.io", "source": "cna", "vendor": "baptisteArno"}, "product": "typebot.io", "vendor": "baptistearno"}], "created": "2026-06-18T19:15:02.358238+00:00", "updated": "2026-06-18T19:15:02.436001+00:00", "vendors": ["baptistearno", "baptistearno$PRODUCT$typebot.io"]}