CVE-2026-87471

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{"bugzilla": {"description": "chromium-browser: chromium-browser: Incorrect authorization in ServiceWorker", "id": "2530269", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2530269"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-266", "details": ["An incorrect authorization flaw was found in the ServiceWorker component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=498869663"], "name": "CVE-2026-87471", "public_date": "2026-09-09T00:09:42Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-87471\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-87471\nhttps://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html\nhttps://issues.chromium.org/issues/498869663"], "statement": "Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[153.0.8010.36,153.0.8010.36)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Chrome", "source": "cna", "vendor": "Google"}, "product": "chrome", "vendor": "google"}], "created": "2026-09-09T08:30:07.874483+00:00", "title": "ServiceWorker Authorization Bypass Enables Site Isolation Breach in Chrome", "updated": "2026-09-11T02:45:17.741456+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}