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{"bugzilla": {"description": "chromium-browser: Insufficient policy enforcement in ChromeDriver", "id": "2446850", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2446850"}, "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"}, "details": ["An insufficient policy enforcement flaw was found in the ChromeDriver component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=478783560"], "name": "CVE-2026-3934", "public_date": "2026-03-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-3934\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-3934\nhttps://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_10.html\nhttps://issues.chromium.org/issues/478783560"], "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": "[146.0.7680.71,146.0.7680.71)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Chrome", "source": "cna", "vendor": "Google"}, "product": "chrome", "vendor": "google"}], "analysis": {"en": {"generated_at": "2026-04-16T02:51:43.813255+00:00", "value": {"mitigation_remediation": ["Upgrade Google Chrome to version 146.0.7680.71 or later, which contains the fix for ChromeDriver policy enforcement.", "Disable or restrict remote access to ChromeDriver by enforcing appropriate policies such as disabling remote automation features or limiting its usage to trusted environments.", "Apply site\u2011content security policies that enforce strict same\u2011origin rules and validate any cross\u2011origin requests to mitigate potential exploitation until a patch is applied."], "summary": {"action": "Immediate Patch", "impact": "Same Origin Policy Bypass"}, "threat_synthesis": {"affected_systems": "The vulnerability affects Google Chrome browsers that include ChromeDriver before the 146.0.7680.71 release. This includes installations on Windows, macOS, and Linux platforms where the legacy ChromeDriver component is active. Users of newer patched releases are not impacted.", "description_and_impact": "A flaw in ChromeDriver\u2019s policy enforcement lets a remote attacker supply a specially crafted HTML page that bypasses the same\u2011origin policy. This omission can allow the attacker to read or manipulate content from other origins, potentially enabling data theft or execution of malicious code in the context of a victim\u2019s browser, which is a significant integrity breach. The weakness is an access\u2011control failure (CWE\u2011284). The description indicates that the vulnerability is classified as medium severity by Chromium\u2019s own assessment.", "risk_and_exploitability": "The CVSS score of 6.5 denotes medium severity; however, the EPSS score is less than 1%, indicating a low probability of actual exploitation at present. The vulnerability is not listed in the CISA KEV catalog. Attackers can exploit the flaw by delivering a crafted web page to a user running ChromeDriver, which suggests the attack vector is likely social\u2011engineering or local\u2011machine exploitation rather than a purely remote attack. Overall, the risk remains moderate but actionable before widespread exploitation occurs."}}}}, "created": "2026-03-12T09:55:18.143485+00:00", "updated": "2026-04-16T03:00:09.182516+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}