{"id":"CVE-2026-106221","title":"Confused deputy in WebAPKs in Google Chrome on on Android prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted HTML page","summary":"Confused deputy in WebAPKs in Google Chrome on on Android prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)","severity":"high","cvss":8.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L","cwe":["CWE-441"],"vendor":"google","product":"chrome","affected":["chrome < 155.0.8059.39"],"patched":["chrome 155.0.8059.39"],"published":"2026-10-06","updated":"2026-10-09","sourceUpdated":"2026-10-09T02:16:58.310","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-106221","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/540049672","label":"chrome-cve-admin@google.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-106221.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-106221"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-106221"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106221"}],"tags":["nvd","cve.org","csaf","vex","red-hat","score-dispute"],"epss":0.00312,"epssPercentile":0.23939,"scores":{"nvd":8.3,"vendor":4.3,"adp":8.3},"ingestedAt":"2026-10-06T19:13:33.867Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-09T01:36:28.066451Z"},"slug":"CVE-2026-106221","body":"## Overview\n\nConfused deputy in WebAPKs in Google Chrome on on Android prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)\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`\n\n## Vendor advisories\n\n- **Red Hat VEX** · updated 2026-10-09 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-106221.json)","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":45.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":217860,"id":"CVE-2026-106221","ts":1791424998023,"field":"cvss","old":"4.3","new":"8.3"},{"seq":217859,"id":"CVE-2026-106221","ts":1791424998023,"field":"severity","old":"medium","new":"high"},{"seq":217179,"id":"CVE-2026-106221","ts":1791360720231,"field":"cvss","old":null,"new":"4.3"},{"seq":217178,"id":"CVE-2026-106221","ts":1791360720231,"field":"severity","old":"none","new":"medium"}]}