CVE-2026-11686

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{"bugzilla": {"description": "chromium-browser: Insufficient validation of untrusted input in Dawn", "id": "2486630", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486630"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-346", "details": ["Insufficient validation of untrusted input in Dawn in Google Chrome on macOS prior to 149.0.7827.103 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)", "An insufficient validation of untrusted input flaw was found in the Dawn component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=517247333"], "name": "CVE-2026-11686", "public_date": "2026-06-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-11686\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-11686\nhttps://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html\nhttps://issues.chromium.org/issues/517247333"], "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": "[149.0.7827.103,149.0.7827.103)"}}], "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": "2026-06-09T00:45:20.686033+00:00", "updated": "2026-06-11T02:45:03.032768+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}