CVE-2026-106266

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{"bugzilla": {"description": "chromium-browser: Confused deputy in Contextual Tasks", "id": "2546802", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2546802"}, "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-441", "details": ["Confused deputy in Contextual Tasks in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to bypass web origin policy into a privileged page via a crafted HTML page. (Chromium security severity: Medium)", "A flaw was found in chromium-browser. This vulnerability allows a remote attacker who has compromised a renderer process to bypass the web origin policy and access privileged browser pages. The issue is caused by a confused deputy condition in the Contextual Tasks component, which can be triggered when a user visits a specially crafted HTML page."], "name": "CVE-2026-106266", "public_date": "2026-10-06T18:41:18Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-106266\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-106266\nhttps://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html\nhttps://issues.chromium.org/issues/501914204"], "statement": "Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.", "threat_severity": "Moderate"}

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