{"id":"CVE-2026-121204","aliases":[],"cve":{"records":[{"id":"CVE-2026-121204","source":"Chrome","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-11-03T10:28:44.642Z","published":"2026-11-03T20:42:58.981Z","modified":"2026-11-04T20:21:06.672Z"}],"publishers":[{"name":"Chrome","role":"CNA","organizationId":"ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28","modified":"2026-11-03T20:42:58.981Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-11-04T20:21:06.672Z"}],"references":[{"url":"https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html","tags":[],"source":"Chrome"},{"url":"https://issues.chromium.org/issues/562957821","tags":[],"source":"Chrome"}],"weaknesses":[{"id":"CWE-459","description":"Incomplete cleanup","source":"Chrome"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-11-04T20:14:34.268578Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"total"}]}]},"title":"Incomplete cleanup in DevTools in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted HTML page.","titleSource":"Chrome","descriptionSource":"Chrome","description":"Incomplete cleanup in DevTools in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)","score":8.8,"severity":"high","published":"2026-11-03T20:42:58.981Z","modified":"2026-11-04T20:21:06.672Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Google","name":"Chrome","platforms":[],"versions":[{"version":"157.0.8103.38","status":"affected","lessThan":"157.0.8103.38","versionType":"custom"}],"cpes":[],"source":"Chrome","url":"https://www.cve.org/CVERecord?id=CVE-2026-121204"}],"remediation":[],"references":["https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html","https://issues.chromium.org/issues/562957821"],"sources":[{"name":"CVE","id":"CVE-2026-121204","modified":"2026-11-04T20:21:06.672Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-121204"}],"assessments":[{"source":"CISA-ADP","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8}],"sourceAffected":[],"observedAt":"2026-11-04T21:12:21.725Z","kev":{"status":"not-listed","checkedAt":"2026-11-15T02:40:44.398Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-11-05T11:30:34.744Z","attemptedAt":"2026-11-05T11:30:34.744Z"},{"source":"GHSA","status":"available","checkedAt":"2026-11-05T11:35:40.822Z","attemptedAt":"2026-11-05T11:35:40.822Z"},{"source":"EUVD","status":"available","checkedAt":"2026-11-05T11:35:42.503Z","attemptedAt":"2026-11-05T11:35:42.503Z"},{"source":"EPSS","status":"available","checkedAt":"2026-11-05T11:30:34.678Z","attemptedAt":"2026-11-05T11:30:34.678Z"}],"evidence":[{"source":"FIRST EPSS","id":"CVE-2026-121204","url":"https://www.first.org/epss/","probability":0.00214,"percentile":0.11848,"date":"2026-11-04","checkedAt":"2026-11-05T11:30:34.678Z"},{"source":"NVD","id":"CVE-2026-121204","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121204","modified":"2026-11-04T21:18:03.677","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","checkedAt":"2026-11-05T11:30:34.744Z"},{"source":"GitHub Advisory Database","id":"GHSA-85qj-m6hr-f56m","url":"https://github.com/advisories/GHSA-85qj-m6hr-f56m","modified":"2026-11-04T21:32:23Z","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","checkedAt":"2026-11-05T11:35:40.822Z"},{"source":"ENISA EUVD","id":"EUVD-2026-116346","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-116346","modified":"Nov 4, 2026, 8:21:06 PM","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","checkedAt":"2026-11-05T11:35:42.503Z"}],"aiSummary":{"text":"Google Chrome versions prior to 157.0.8103.38 have an incomplete cleanup weakness in DevTools, potentially allowing a remote attacker to bypass web origin policy via a crafted HTML page. The severity is rated as Low.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-03T21:06:08.819Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-121204"}]}}