CVE-2026-13871

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{"affected": [{"affectedData": [{"product": "Chrome", "vendor": "Google", "versions": [{"lessThan": "150.0.7871.47", "status": "affected", "version": "150.0.7871.47", "versionType": "custom"}]}], "source": "chrome-cve-admin@google.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "matchCriteriaId": "60AE971A-0580-48EE-A9B8-230C2461E7C1", "versionEndExcluding": "150.0.7871.47", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Insufficient policy enforcement in GuestView in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)"}, {"lang": "es", "value": "Cumplimiento insuficiente de pol\u00edticas en GuestView en Google Chrome anterior a 150.0.7871.47 permiti\u00f3 a un atacante remoto que hab\u00eda comprometido el proceso de renderizado eludir el aislamiento de sitios mediante una p\u00e1gina HTML manipulada. (Gravedad de seguridad de Chromium: Media)"}], "id": "CVE-2026-13871", "lastModified": "2026-10-25T21:10:00.770", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-13871", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-01T14:20:24.986412Z", "version": "2.0.3"}}]}, "published": "2026-06-30T23:17:01.437", "references": [{"source": "chrome-cve-admin@google.com", "tags": ["Vendor Advisory", "Release Notes"], "url": "https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html"}, {"source": "chrome-cve-admin@google.com", "tags": ["Permissions Required"], "url": "https://issues.chromium.org/issues/497961376"}], "sourceIdentifier": "chrome-cve-admin@google.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-602"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[150.0.7871.47,150.0.7871.47)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Chrome", "source": "cna", "vendor": "Google"}, "product": "chrome", "vendor": "google"}], "created": "2026-07-01T01:15:16.575046+00:00", "title": "GuestView Policy Bypass Enables Site Isolation Escape in Chrome", "updated": "2026-08-02T01:00:05.005578+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}