{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-121063", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "PUBLISHED", "assignerShortName": "Chrome", "dateReserved": "2026-11-03T09:24:48.838Z", "datePublished": "2026-11-03T20:42:40.409Z", "dateUpdated": "2026-11-03T20:42:40.409Z"}, "containers": {"cna": {"affected": [{"vendor": "Google", "product": "Chrome", "versions": [{"version": "157.0.8103.38", "status": "affected", "lessThan": "157.0.8103.38", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Incorrect authorization in CacheStorage in Google Chrome prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Incorrect authorization", "cweId": "CWE-863"}]}], "providerMetadata": {"orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "shortName": "Chrome", "dateUpdated": "2026-11-03T20:42:40.409Z"}, "references": [{"url": "https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html"}, {"url": "https://issues.chromium.org/issues/499181801"}]}}}

{}

{"affected": [{"affectedData": [{"product": "Chrome", "vendor": "Google", "versions": [{"lessThan": "157.0.8103.38", "status": "affected", "version": "157.0.8103.38", "versionType": "custom"}]}], "source": "chrome-cve-admin@google.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Incorrect authorization in CacheStorage in Google Chrome prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)"}], "id": "CVE-2026-121063", "lastModified": "2026-11-03T21:17:11.070", "metrics": {}, "published": "2026-11-03T21:17:10.973", "references": [{"source": "chrome-cve-admin@google.com", "url": "https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html"}, {"source": "chrome-cve-admin@google.com", "url": "https://issues.chromium.org/issues/499181801"}], "sourceIdentifier": "chrome-cve-admin@google.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "chrome-cve-admin@google.com", "type": "Primary"}]}

{"bugzilla": {"description": "chromium-browser: Incorrect authorization in CacheStorage", "id": "2566391", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2566391"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-863", "details": ["An incorrect authorization flaw was found in the CacheStorage component of the Chromium browser.\nUpstream bug(s):\nhttps://issues.chromium.org/issues/499181801"], "name": "CVE-2026-121063", "public_date": "2026-11-03T20:42:40Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-121063\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-121063\nhttps://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html\nhttps://issues.chromium.org/issues/499181801"], "statement": "Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[157.0.8103.38,157.0.8103.38)"}}], "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": "2026-11-03T21:45:02.163022+00:00", "updated": "2026-11-05T02:30:08.307044+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}