CVE-2026-44729

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{"affected": [{"affectedData": [{"product": "twenty", "vendor": "twentyhq", "versions": [{"status": "affected", "version": "<= 1.18.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:twenty:twenty:*:*:*:*:*:*:*:*", "matchCriteriaId": "AD331BA5-5287-430D-9EE5-C3530D6415F9", "versionEndIncluding": "1.18.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Twenty is an open source CRM. In 1.18.0 and earlier, the file serving endpoints in Twenty CRM at /files/* and /file/:fileFolder/:id serve uploaded files using fileStream.pipe(res) without setting any Content-Type, Content-Disposition, or X-Content-Type-Options response headers. This allows an authenticated attacker to upload an HTML file containing JavaScript, which will be rendered by the victim's browser in the context of the Twenty CRM domain when accessed \u2014 enabling session hijacking, account takeover, and data theft."}, {"lang": "es", "value": "Twenty es un CRM de c\u00f3digo abierto. En la versi\u00f3n 1.18.0 y anteriores, los puntos finales de servicio de archivos en Twenty CRM en /files/* y /file/:fileFolder/:id sirven archivos subidos usando fileStream.pipe(res) sin establecer ning\u00fan encabezado de respuesta Content-Type, Content-Disposition o X-Content-Type-Options. Esto permite a un atacante autenticado subir un archivo HTML que contenga JavaScript, el cual ser\u00e1 renderizado por el navegador de la v\u00edctima en el contexto del dominio de Twenty CRM cuando se acceda a \u00e9l - lo que posibilita el secuestro de sesi\u00f3n, la toma de control de cuenta y el robo de datos."}], "id": "CVE-2026-44729", "lastModified": "2026-07-24T11:10:00.170", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 5.8, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-44729", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-05-27T13:49:29.782751Z", "version": "2.0.3"}}]}, "published": "2026-05-26T17:16:46.837", "references": [{"source": "security-advisories@github.com", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://github.com/twentyhq/twenty/security/advisories/GHSA-f5h2-3qw5-3qp7"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://github.com/twentyhq/twenty/security/advisories/GHSA-f5h2-3qw5-3qp7"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.18.0]"}}], "enrichment": {"confidence": 93.0, "confidence_source": "matching", "scores": [{"score": 93.0, "source": "matching"}]}, "original": {"product": "twenty", "source": "cna", "vendor": "twentyhq"}, "product": "twenty", "vendor": "twenty"}], "created": "2026-05-26T18:45:13.150076+00:00", "updated": "2026-05-27T09:30:26.796848+00:00", "vendors": ["twenty", "twenty$PRODUCT$twenty"]}