CVE-2026-110620
Formbricks anterior a la versión 4.9.0 contiene una vulnerabilidad de omisión de autorización en acciones del servidor como resetSurveyAction y updateSegmentAction, que no verifican la propiedad del recurso frente al organizationId proporcionado. Los propietarios o gestores autenticados de cualquier organización pueden combinar su propio identificador de organización con identificadores de recursos de otras víctimas para eliminar respuestas de encuestas, modificar segmentos y cuotas, o alterar invitaciones pendientes.
Traducción automática del texto original de NVD (en inglés).
CVSS
- Puntuación base
- 6.1
- Versión
- 4.0
- Vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/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
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días
- 0.56 %
- Percentil entre todas las CVEs puntuadas
- 45
- Fecha de la puntuación
- 20/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1210Exploitation of Remote Serviceslateral movement90 % - Impacto principal
T1565.001Stored Data Manipulationimpact85 % - Impacto secundario
T1485Data Destructionimpact60 %
El vector AV:N/PR:L/UI:N exige una cuenta autenticada por red; el texto cita borrar respuestas de encuestas y modificar segmentos, cuotas e invitaciones pendientes.
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-639
Referencias
Mostrar las 6 referencias
- https://github.com/formbricks/formbricks/blob/4.8.7/apps/web/app/(app)/environments/%5BenvironmentId%5D/surveys/%5BsurveyId%5D/(analysis)/summary/actions.ts#L65-L95
- https://github.com/formbricks/formbricks/blob/4.8.7/apps/web/modules/organization/settings/teams/actions.ts#L33-L50
- https://github.com/formbricks/formbricks/commit/c7faa29437ea706eae411958b260bb5ad5c60e4f
- https://github.com/formbricks/formbricks/issues/7326
- https://github.com/formbricks/formbricks/releases/tag/4.9.0
- https://www.vulncheck.com/advisories/formbricks-before-4.9.0-cross-organization-idor-in-server-actions-via-organizationid
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-110620",
"cveTags": [],
"metrics": {
"cvssMetricV31": [
{
"type": "Primary",
"source": "disclosure@vulncheck.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 6.8,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
},
"impactScore": 5.2,
"exploitabilityScore": 1.6
}
],
"cvssMetricV40": [
{
"type": "Secondary",
"source": "disclosure@vulncheck.com",
"cvssData": {
"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 6.1,
"Automatable": "NOT_DEFINED",
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/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",
"exploitMaturity": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"privilegesRequired": "LOW",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "HIGH",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "HIGH",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "NONE",
"confidentialityRequirement": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED"
}
}
]
},
"affected": [
{
"source": "disclosure@vulncheck.com",
"affectedData": [
{
"repo": "https://github.com/formbricks/formbricks",
"vendor": "formbricks",
"product": "formbricks",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "4.9.0",
"versionType": "semver"
}
],
"collectionURL": "https://github.com/formbricks/formbricks",
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-10-14T15:17:14.357",
"references": [
{
"url": "https://github.com/formbricks/formbricks/blob/4.8.7/apps/web/app/(app)/environments/%5BenvironmentId%5D/surveys/%5BsurveyId%5D/(analysis)/summary/actions.ts#L65-L95",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://github.com/formbricks/formbricks/blob/4.8.7/apps/web/modules/organization/settings/teams/actions.ts#L33-L50",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://github.com/formbricks/formbricks/commit/c7faa29437ea706eae411958b260bb5ad5c60e4f",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://github.com/formbricks/formbricks/issues/7326",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://github.com/formbricks/formbricks/releases/tag/4.9.0",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://www.vulncheck.com/advisories/formbricks-before-4.9.0-cross-organization-idor-in-server-actions-via-organizationid",
"source": "disclosure@vulncheck.com"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Primary",
"source": "disclosure@vulncheck.com",
"description": [
{
"lang": "en",
"value": "CWE-639"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Formbricks before 4.9.0 contains an authorization bypass vulnerability in server actions like resetSurveyAction and updateSegmentAction that fail to verify resource ownership against the supplied organizationId. Authenticated owners or managers of any organization can pair their own organization identifier with victim resource IDs to delete survey responses, modify segments and quotas, or alter pending invitations."
}
],
"lastModified": "2026-10-16T19:18:44.867",
"sourceIdentifier": "disclosure@vulncheck.com"
}