{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-10054", "assignerOrgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c", "state": "PUBLISHED", "assignerShortName": "eclipse", "dateReserved": "2026-05-29T07:35:37.279Z", "datePublished": "2026-07-03T10:11:32.446Z", "dateUpdated": "2026-07-07T03:56:07.775Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c", "shortName": "eclipse", "dateUpdated": "2026-07-03T10:11:32.446Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-1385", "description": "CWE-1385 Missing origin validation in WebSockets", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-306", "description": "CWE-306 Missing authentication for critical function", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-111", "descriptions": [{"lang": "en", "value": "CAPEC-111 JSON Hijacking (aka JavaScript Hijacking)"}]}, {"capecId": "CAPEC-62", "descriptions": [{"lang": "en", "value": "CAPEC-62 Cross Site Request Forgery"}]}], "affected": [{"vendor": "Eclipse Foundation", "product": "Eclipse Theia", "versions": [{"status": "affected", "version": "1.8.1", "lessThan": "1.73.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "In affected versions of Eclipse Theia (1.8.1 and later), the browser backend exposes privileged terminal RPC over WebSocket (/services/shell-terminal, /services/terminals/:id) without service-level authentication.\n\n\n\n\nWebSocket origin validation in @theia/core is fail-open: connections are accepted when the Origin header is missing or when no THEIA_HOSTS allowlist is configured (the default). 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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.8.1,1.73.0)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Eclipse Theia", "source": "cna", "vendor": "Eclipse Foundation"}, "product": "theia", "vendor": "eclipse"}], "created": "2026-07-03T12:30:12.533532+00:00", "updated": "2026-07-07T12:00:07.425385+00:00", "vendors": ["eclipse", "eclipse$PRODUCT$theia"]}