CVE-2026-14714

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The project confirms: \"We've added an explicit non-empty check for wechatmp_token in verify_server() so that the /wx endpoint now fails closed with 403 Forbidden whenever the token is missing or left at the default empty value, instead of relying on a signature check that silently degenerates to a predictable hash.\""}, {"lang": "es", "value": "Se ha identificado una debilidad en zhayujie chatgpt-on-wechat CowAgent 2.1.0. Este problema afecta la funci\u00f3n verify_server del archivo channel/wechatmp/common.py del componente wx Endpoint. Esta manipulaci\u00f3n del argumento wechatmp_token causa falta de autenticaci\u00f3n. El ataque puede iniciarse de forma remota. El exploit se ha puesto a disposici\u00f3n del p\u00fablico y podr\u00eda usarse para ataques. La actualizaci\u00f3n a la versi\u00f3n 2.1.1 es capaz de abordar este problema. Nombre del parche: 3d7c68bac6ee74fad63f43cf99e45c62e202ed55. Se sugiere actualizar el componente afectado. El proyecto confirma: \u2019Hemos a\u00f1adido una comprobaci\u00f3n expl\u00edcita de no vac\u00edo para wechatmp_token en verify_server() para que el endpoint /wx ahora falle cerrado con 403 Forbidden siempre que el token falte o se deje con el valor vac\u00edo predeterminado, en lugar de depender de una comprobaci\u00f3n de firma que degenera silenciosamente en un hash predecible.\u2019"}], "id": "CVE-2026-14714", "lastModified": "2026-10-25T15:10:00.147", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.4, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.5, "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:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 2.5, "source": "cna@vuldb.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "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": "NONE", "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:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-14714", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-06T18:19:17.226246Z", "version": "2.0.3"}}]}, "published": "2026-07-05T06:16:30.873", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/zhayujie/CowAgent/commit/3d7c68bac6ee74fad63f43cf99e45c62e202ed55"}, {"source": "cna@vuldb.com", "url": "https://github.com/zhayujie/CowAgent/issues/2860"}, {"source": "cna@vuldb.com", "url": "https://github.com/zhayujie/CowAgent/releases/tag/2.1.1"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/cve/CVE-2026-14714"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/847484"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/376304"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/376304/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}, {"lang": "en", "value": "CWE-306"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

{}

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