CVE-2026-70479

{"id": "CVE-2026-70479", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-70479", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-05T14:49:19.746671Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.7, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 4.0, "exploitabilityScore": 3.1}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "open-webui", "product": "open-webui", "versions": [{"status": "affected", "version": ">= 0.9.6, < 0.11.0"}]}]}], "published": "2026-08-04T20:16:54.760", "references": [{"url": "https://github.com/open-webui/open-webui/commit/bef63a2ae915571d50d2722a635e8bfa753d7877", "source": "security-advisories@github.com"}, {"url": "https://github.com/open-webui/open-webui/pull/27526", "source": "security-advisories@github.com"}, {"url": "https://github.com/open-webui/open-webui/releases/tag/v0.11.0", "source": "security-advisories@github.com"}, {"url": "https://github.com/open-webui/open-webui/security/advisories/GHSA-w2rx-84hp-gg95", "source": "security-advisories@github.com"}, {"url": "https://github.com/open-webui/open-webui/security/advisories/GHSA-w2rx-84hp-gg95", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-918"}]}], "descriptions": [{"lang": "en", "value": "Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 until 0.11.0, with WEB_LOADER_ENGINE=playwright, the Playwright web loader validates only the top-level page request and lets sub-resource requests pass unvalidated. A page supplied by an authenticated user can use JavaScript to reach blocked internal addresses, and returned DOM can include data read from those addresses in web-search or RAG output. This issue is fixed in 0.11.0."}], "lastModified": "2026-09-08T20:41:31.497", "sourceIdentifier": "security-advisories@github.com"}