CVE-2026-32112

{"id": "CVE-2026-32112", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 1.6}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 4.7, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 1.6}]}, "published": "2026-03-11T21:16:17.450", "references": [{"url": "https://github.com/homeassistant-ai/ha-mcp/security/advisories/GHSA-pf93-j98v-25pv", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "ha-mcp is a Home Assistant MCP Server. Prior to 7.0.0, the ha-mcp OAuth consent form renders user-controlled parameters via Python f-strings with no HTML escaping. An attacker who can reach the OAuth endpoint and convince the server operator to follow a crafted authorization URL could execute JavaScript in the operator's browser. This affects only users running the beta OAuth mode (ha-mcp-oauth), which is not part of the standard setup and requires explicit configuration. This vulnerability is fixed in 7.0.0."}, {"lang": "es", "value": "ha-mcp es un servidor MCP de Home Assistant. Antes de la versi\u00f3n 7.0.0, el formulario de consentimiento OAuth de ha-mcp renderiza par\u00e1metros controlados por el usuario a trav\u00e9s de f-strings de Python sin escape HTML. Un atacante que pueda alcanzar el endpoint OAuth y convencer al operador del servidor de seguir una URL de autorizaci\u00f3n manipulada podr\u00eda ejecutar JavaScript en el navegador del operador. Esto afecta solo a los usuarios que ejecutan el modo OAuth beta (ha-mcp-oauth), que no forma parte de la configuraci\u00f3n est\u00e1ndar y requiere configuraci\u00f3n expl\u00edcita. Esta vulnerabilidad est\u00e1 corregida en la versi\u00f3n 7.0.0."}], "lastModified": "2026-03-17T15:39:07.100", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:homeassistant-ai:home_assistant_mcp_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "75A833D1-96EB-451C-876C-1267332C62DD", "versionEndExcluding": "7.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}