{"id":"CVE-2026-126856","aliases":[],"cve":{"records":[{"id":"CVE-2026-126856","source":"Chrome","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-11-11T22:08:23.429Z","published":"2026-11-11T22:38:58.741Z","modified":"2026-11-12T17:28:25.903Z"}],"publishers":[{"name":"Chrome","role":"CNA","organizationId":"ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28","modified":"2026-11-11T22:38:58.741Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-11-12T17:28:25.903Z"}],"references":[{"url":"https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop_01744469280.html","tags":[],"source":"Chrome"},{"url":"https://issues.chromium.org/issues/577260644","tags":[],"source":"Chrome"}],"weaknesses":[{"id":"CWE-459","description":"Incomplete cleanup","source":"Chrome"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-11-12T17:27:22.043612Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"Incomplete cleanup in Cache in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to obtain cross-origin data via a crafted HTML page.","titleSource":"Chrome","descriptionSource":"Chrome","description":"Incomplete cleanup in Cache in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High)","score":4.3,"severity":"medium","published":"2026-11-11T22:38:58.741Z","modified":"2026-11-12T17:28:25.903Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Google","name":"Chrome","platforms":[],"versions":[{"version":"157.0.8103.78","status":"affected","lessThan":"157.0.8103.78","versionType":"custom"}],"cpes":[],"source":"Chrome","url":"https://www.cve.org/CVERecord?id=CVE-2026-126856"}],"remediation":[],"references":["https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop_01744469280.html","https://issues.chromium.org/issues/577260644"],"sources":[{"name":"CVE","id":"CVE-2026-126856","modified":"2026-11-12T17:28:25.903Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-126856"}],"assessments":[{"source":"CISA-ADP","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","score":4.3}],"sourceAffected":[],"observedAt":"2026-11-12T17:55:54.663Z","kev":{"status":"not-listed","checkedAt":"2026-11-15T02:25:31.038Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-11-12T00:30:38.647Z","attemptedAt":"2026-11-12T00:30:38.647Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-11-12T00:30:36.188Z","attemptedAt":"2026-11-12T00:30:36.188Z"},{"source":"EUVD","status":"available","checkedAt":"2026-11-12T00:30:36.280Z","attemptedAt":"2026-11-12T00:30:36.280Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-11-12T00:30:35.749Z","attemptedAt":"2026-11-12T00:30:35.749Z"}],"evidence":[{"source":"ENISA EUVD","id":"EUVD-2026-124107","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-124107","modified":"Nov 11, 2026, 10:38:58 PM","checkedAt":"2026-11-12T00:30:36.280Z"},{"source":"NVD","id":"CVE-2026-126856","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126856","modified":"2026-11-11T23:17:13.850","checkedAt":"2026-11-12T00:30:38.647Z"}],"aiSummary":{"text":"Google Chrome versions prior to 157.0.8103.78 have an incomplete cleanup weakness in Cache, potentially allowing a remote attacker to obtain cross-origin data via a crafted HTML page. The severity is rated as High by Chromium. The attacker needs to create a crafted HTML page to exploit this weakness.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-11T23:46:10.030Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-126856"}]}}