CVE-2026-22683

{"id": "CVE-2026-22683", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-22683", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-04-08T03:55:45.209485Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.7, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/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": "NONE", "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": "HIGH", "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": [{"vendor": "Windmill Labs", "product": "Windmill CE (Community Edition)", "versions": [{"status": "affected", "version": "1.56.0", "versionType": "semver", "lessThanOrEqual": "1.614.0"}, {"status": "unaffected", "version": "1.615.0"}], "defaultStatus": "unaffected"}, {"vendor": "Windmill Labs", "product": "Windmill EE (Enterprise Edition)", "versions": [{"status": "affected", "version": "1.56.0", "versionType": "semver", "lessThanOrEqual": "1.614.0"}, {"status": "unaffected", "version": "1.615.0"}], "defaultStatus": "unaffected"}]}], "published": "2026-04-07T17:16:27.037", "references": [{"url": "https://apps.nextcloud.com/apps/flow/releases", "tags": ["Release Notes"], "source": "disclosure@vulncheck.com"}, {"url": "https://chocapikk.com/posts/2026/windfall-nextcloud-flow-windmill-rce/", "tags": ["Vendor Advisory"], "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/Chocapikk/Windfall", "tags": ["Product"], "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/windmill-labs/windmill/commit/c621a74804f4f6e8318819c01e3a23a17698588b", "tags": ["Patch"], "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/windmill-labs/windmill/releases/tag/v1.615.0", "tags": ["Release Notes"], "source": "disclosure@vulncheck.com"}, {"url": "https://www.windmill.dev/", "tags": ["Product"], "source": "disclosure@vulncheck.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-862"}]}], "descriptions": [{"lang": "en", "value": "Windmill versions 1.56.0 through 1.614.0 contain a missing authorization vulnerability that allows users with the Operator role to perform prohibited entity creation and modification actions via the backend API. Although Operators are documented and priced as unable to create or modify entities, the API does not enforce the Operator restriction on workspace endpoints, allowing an Operator to create and update scripts, flows, apps, and raw_apps. Since Operators can also execute scripts via the jobs API, this allows direct privilege escalation to remote code execution within the Windmill deployment. This vulnerability has existed since the introduction of the Operator role in version 1.56.0."}, {"lang": "es", "value": "Las versiones de Windmill 1.56.0 a 1.614.0 contienen una vulnerabilidad de autorizaci\u00f3n ausente que permite a los usuarios con el rol de Operador realizar acciones prohibidas de creaci\u00f3n y modificaci\u00f3n de entidades a trav\u00e9s de la API de backend. Aunque los Operadores est\u00e1n documentados y se les tarifa como incapaces de crear o modificar entidades, la API no aplica la restricci\u00f3n de Operador en los puntos finales del espacio de trabajo, permitiendo a un Operador crear y actualizar scripts, flujos, aplicaciones y raw_apps. Dado que los Operadores tambi\u00e9n pueden ejecutar scripts a trav\u00e9s de la API de trabajos, esto permite una escalada directa de privilegios a la ejecuci\u00f3n remota de c\u00f3digo dentro del despliegue de Windmill. Esta vulnerabilidad ha existido desde la introducci\u00f3n del rol de Operador en la versi\u00f3n 1.56.0."}], "lastModified": "2026-10-26T21:10:00.170", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:nextcloud:flow:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "390C858F-42E9-41D5-AE97-11242088C2F0", "versionEndIncluding": "1.2.2", "versionStartIncluding": "1.0.0"}, {"criteria": "cpe:2.3:a:windmill:windmill:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DC07ED1D-F0A4-4A59-AA24-52BF463E7D2D", "versionEndIncluding": "1.614.0", "versionStartIncluding": "1.56.0"}], "operator": "OR"}]}], "sourceIdentifier": "disclosure@vulncheck.com"}