CVE-2026-50143

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{"affected": [{"affectedData": [{"product": "apify-mcp-server", "vendor": "apify", "versions": [{"status": "affected", "version": "< 0.10.11"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Apify MCP server enables AI agents to extract data from websites using ready-made scrapers, crawlers, and automation tools available on the Apify Store. Prior to 0.10.11, getActorMCPServerURL in src/mcp/actors.ts concatenates the trusted Actor standby URL with the attacker-controlled webServerMcpPath from an Actor definition without verifying the resulting origin, allowing a malicious Actor publisher to use a userinfo-style authority value to redirect connectMCPClient to a third-party host. The call-actor, fetch-actor-details, and actor-mcp tool-loading paths pass this URL to transports in src/mcp/client.ts that attach the victim Authorization bearer token, exposing the Apify API token and enabling access to Actors, stored data, and billable compute. A victim must invoke or inspect the attacker-controlled Actor. This issue is fixed in version 0.10.11."}, {"lang": "es", "value": "El servidor Apify MCP permite a los agentes de IA extraer datos de sitios web utilizando raspadores, rastreadores y herramientas de automatizaci\u00f3n prefabricados disponibles en la Tienda Apify. Antes de la versi\u00f3n 0.10.11, getActorMCPServerURL en src/mcp/actors.ts concatena la URL de reserva de Actor de confianza con la webServerMcpPath controlada por el atacante de una definici\u00f3n de Actor sin verificar el origen resultante, lo que permite a un editor de Actor malicioso usar un valor de autoridad de estilo userinfo para redirigir connectMCPClient a un host de terceros. Las rutas de carga de herramientas call-actor, fetch-actor-details y actor-mcp pasan esta URL a los transportes en src/mcp/client.ts que adjuntan el token portador de autorizaci\u00f3n de la v\u00edctima, exponiendo el token de la API de Apify y permitiendo el acceso a Actores, datos almacenados y c\u00f3mputo facturable. Una v\u00edctima debe invocar o inspeccionar el Actor controlado por el atacante. Este problema est\u00e1 solucionado en la versi\u00f3n 0.10.11."}], "id": "CVE-2026-50143", "lastModified": "2026-10-22T22:10:00.250", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-50143", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-18T19:30:04.304975Z", "version": "2.0.3"}}]}, "published": "2026-08-18T18:17:53.227", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/apify/apify-mcp-server/commit/ef686d77da3d3c86c30b2ae24218d756aa38e09c"}, {"source": "security-advisories@github.com", "url": "https://github.com/apify/apify-mcp-server/pull/927"}, {"source": "security-advisories@github.com", "url": "https://github.com/apify/apify-mcp-server/releases/tag/v0.10.11"}, {"source": "security-advisories@github.com", "url": "https://github.com/apify/apify-mcp-server/security/advisories/GHSA-6gr2-qh89-hxwm"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/apify/apify-mcp-server/security/advisories/GHSA-6gr2-qh89-hxwm"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

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