{"id":"CVE-2026-106366","title":"Incomplete cleanup in CustomTabs in Google Chrome on on Android prior to 155.0.8059.39 allowed a remote attacker to bypass web origin policy via a crafted HTML page","summary":"Incomplete cleanup in CustomTabs in Google Chrome on on Android prior to 155.0.8059.39 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","cwe":["CWE-459"],"vendor":"google","product":"chrome","affected":["chrome < 155.0.8059.39"],"patched":["chrome 155.0.8059.39"],"published":"2026-10-06","updated":"2026-10-14","sourceUpdated":"2026-10-14T18:39:36.233","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-106366","references":[{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html","label":"chrome-cve-admin@google.com"},{"url":"https://issues.chromium.org/issues/552115620","label":"chrome-cve-admin@google.com"}],"tags":["nvd","cve.org"],"epss":0.00217,"epssPercentile":0.12128,"ingestedAt":"2026-10-06T19:13:33.935Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-14T12:37:07.482912Z"},"slug":"CVE-2026-106366","body":"## Overview\n\nIncomplete cleanup in CustomTabs in Google Chrome on on Android prior to 155.0.8059.39 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)\n\n## Affected\n\n- `chrome < 155.0.8059.39`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `chrome 155.0.8059.39`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":220164,"id":"CVE-2026-106366","ts":1791984859822,"field":"cvss","old":null,"new":"5.4"},{"seq":220163,"id":"CVE-2026-106366","ts":1791984859822,"field":"severity","old":"none","new":"medium"}]}