{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-44451", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-06T15:49:25.192Z", "datePublished": "2026-05-26T19:58:37.036Z", "dateUpdated": "2026-05-27T17:26:08.217Z"}, "containers": {"cna": {"title": "Lumiverse: TSX component sandbox escape via DOM ref and string-split identifier bypass", "problemTypes": [{"descriptions": [{"cweId": "CWE-693", "lang": "en", "description": "CWE-693: Protection Mechanism Failure", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.3, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/prolix-oc/Lumiverse/security/advisories/GHSA-rgp6-55rw-5xf4", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/prolix-oc/Lumiverse/security/advisories/GHSA-rgp6-55rw-5xf4"}], "affected": [{"vendor": "prolix-oc", "product": "Lumiverse", "versions": [{"version": "< 0.9.7", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-05-26T19:58:37.036Z"}, "descriptions": [{"lang": "en", "value": "Lumiverse is a full-featured AI chat application. Prior to 0.9.7, the component override system transpiles user-supplied TSX via Sucrase and evaluates it with new Function, shadowing dangerous globals (fetch, window, eval, etc.) with undefined. A static source validator (validateComponentOverrideSource) additionally blocks these identifiers by word-boundary regex. Both controls are bypassed. String-split bypass of the static validator: any blocked identifier can be reconstructed at runtime from string fragments ('ownerDoc' + 'ument'). DOM ref escape from the sandbox: useRef and useEffect are provided in scope. A ref attached to a rendered element gives a live DOM node. From any real DOM node, node['ownerDoc'+'ument']['def'+'aultView'] yields the real window, bypassing all identifier shadows. Theme packs (.lumitheme / .lumiverse-theme) are the shareable delivery mechanism. A malicious pack is an exploit path: the victim imports the file, enables one component override in the Theme Editor, and the payload fires in their authenticated session.This vulnerability is fixed in 0.9.7."}], "source": {"advisory": "GHSA-rgp6-55rw-5xf4", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/prolix-oc/Lumiverse/security/advisories/GHSA-rgp6-55rw-5xf4", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-27T17:26:03.744696Z", "id": "CVE-2026-44451", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-27T17:26:08.217Z"}}]}}

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.9.7)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Lumiverse", "source": "cna", "vendor": "prolix-oc"}, "product": "lumiverse", "vendor": "prolix-oc"}], "created": "2026-05-26T22:00:15.759534+00:00", "updated": "2026-05-27T10:08:35.021939+00:00", "vendors": ["prolix-oc", "prolix-oc$PRODUCT$lumiverse"]}