CVE-2026-33684

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{"affected": [{"affectedData": [{"product": "AVideo", "vendor": "WWBN", "versions": [{"status": "affected", "version": "< 29.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "WWBN AVideo is an open source video platform. Prior to version 29.0, Privilege Escalation is possible through unguarded permission parameters in signUp API, which allows any user who can solve a CAPTCHA to self-grant elevated permissions during account registration. The set_api_signUp method in the API plugin accepts emailVerified, canUpload, canStream, and canCreateMeet parameters from user-supplied input and applies them to newly created accounts without verifying that the request was authenticated with a valid APISecret. By self-granting account attributes, attackers can mark their own accounts as email-verified without owning the address (bypassing email-gated functionality) and award themselves upload, streaming, and meeting-creation permissions, circumventing administrator access controls that intentionally restrict these capabilities for new users. This issue has been fixed in version 29.0"}, {"lang": "es", "value": "WWBN AVideo es una plataforma de video de c\u00f3digo abierto. Antes de la versi\u00f3n 29.0, la escalada de privilegios es posible a trav\u00e9s de par\u00e1metros de permisos desprotegidos en la API de signUp, lo que permite a cualquier usuario que pueda resolver un CAPTCHA auto-otorgarse permisos elevados durante el registro de la cuenta. El m\u00e9todo set_api_signUp en el plugin de la API acepta los par\u00e1metros emailVerified, canUpload, canStream y canCreateMeet de la entrada proporcionada por el usuario y los aplica a las cuentas reci\u00e9n creadas sin verificar que la solicitud fue autenticada con un APISecret v\u00e1lido. Al auto-otorgarse atributos de cuenta, los atacantes pueden marcar sus propias cuentas como verificadas por correo electr\u00f3nico sin poseer la direcci\u00f3n (eludiendo la funcionalidad restringida por correo electr\u00f3nico) y otorgarse a s\u00ed mismos permisos de carga, transmisi\u00f3n y creaci\u00f3n de reuniones, eludiendo los controles de acceso del administrador que restringen intencionalmente estas capacidades para los nuevos usuarios. Este problema ha sido solucionado en la versi\u00f3n 29.0"}], "id": "CVE-2026-33684", "lastModified": "2026-10-24T21:10:00.130", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-33684", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-16T12:54:09.239361Z", "version": "2.0.3"}}]}, "published": "2026-07-15T21:16:36.323", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/WWBN/AVideo/security/advisories/GHSA-8j8m-p79x-g4jm"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/WWBN/AVideo/security/advisories/GHSA-8j8m-p79x-g4jm"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,29.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "AVideo", "source": "cna", "vendor": "WWBN"}, "product": "avideo", "vendor": "wwbn"}], "created": "2026-07-15T23:30:04.387409+00:00", "updated": "2026-08-01T09:00:04.447312+00:00", "vendors": ["wwbn", "wwbn$PRODUCT$avideo"]}