{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-11686", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "PUBLISHED", "assignerShortName": "Chrome", "dateReserved": "2026-06-08T21:33:53.097Z", "datePublished": "2026-06-08T23:27:54.439Z", "dateUpdated": "2026-06-09T01:22:53.886Z"}, "containers": {"cna": {"affected": [{"vendor": "Google", "product": "Chrome", "versions": [{"version": "149.0.7827.103", "status": "affected", "lessThan": "149.0.7827.103", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "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)"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Insufficient validation of untrusted input", "cweId": "CWE-20"}]}], "providerMetadata": {"orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "shortName": "Chrome", "dateUpdated": "2026-06-08T23:27:54.439Z"}, "references": [{"url": "https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html"}, {"url": "https://issues.chromium.org/issues/517247333"}]}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.1, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-06-09T01:22:48.689646Z", "id": "CVE-2026-11686", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-09T01:22:53.886Z"}}]}}

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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"}

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