{"id":"CVE-2026-79143","title":"chromium-browser: Google Chrome FileSystem: System access bypass through crafted HTML and social engineering (CVE-2026-79143)","summary":"A flaw was found in Google Chrome's FileSystem component. This incorrect authorization vulnerability allows a remote attacker to bypass system access restrictions. By leveraging social engineering techniques with a specially crafted HTML p…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","cvssSource":"adp","cwe":["CWE-863"],"vendor":"Red Hat","product":"Chrome","affected":["Chrome >= 152.0.7977.65 < 152.0.7977.65"],"published":"2026-08-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T07:39:33+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-79143.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-79143.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-79143"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-79143"},{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html"},{"url":"https://issues.chromium.org/issues/514454739"}],"tags":["csaf","vex","red-hat","cve.org"],"epss":0.00243,"epssPercentile":0.15405,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-08-28T18:42:57.134598Z"},"ingestedAt":"2026-09-17T23:31:20.810Z","slug":"CVE-2026-79143","body":"## Overview\n\nA flaw was found in Google Chrome's FileSystem component. This incorrect authorization vulnerability allows a remote attacker to bypass system access restrictions. By leveraging social engineering techniques with a specially crafted HTML page, an attacker can exploit this flaw, leading to unauthorized access.\n\n## Vendor advisories\n\n- **Red Hat VEX** · updated 2026-09-25 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-79143.json)\n\n**chromium-browser: Google Chrome FileSystem: System access bypass through crafted HTML and social engineering**. Released 2026-08-25, updated 2026-09-25.\n\nNot affected:\n\n- All currently supported Red Hat products\n\n## Remediation\n\nRefer to the advisory for fix availability.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}