{"id":"CVE-2026-102330","title":"Incorrect authorization in SiteIsolation in Google Chrome prior to 154.0.8037.92 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page","summary":"Incorrect authorization in SiteIsolation in Google Chrome prior to 154.0.8037.92 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","cwe":["CWE-863"],"vendor":"google","product":"chrome","affected":["chrome < 154.0.8037.92"],"patched":["chrome 154.0.8037.92"],"published":"2026-09-29","updated":"2026-09-30","sourceUpdated":"2026-09-30T19:31:16.680","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-102330","references":[{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01807488085.html","label":"chrome-cve-admin@google.com"},{"url":"https://issues.chromium.org/issues/498793976","label":"chrome-cve-admin@google.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-102330.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-102330"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-102330"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-102330"}],"tags":["nvd","cve.org","csaf","vex","red-hat","score-dispute"],"epss":0.00234,"epssPercentile":0.1428,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-30T16:56:03.454515Z"},"scores":{"nvd":6.5,"vendor":3.1,"adp":6.5},"ingestedAt":"2026-09-29T20:46:06.442Z","slug":"CVE-2026-102330","body":"## Overview\n\nIncorrect authorization in SiteIsolation in Google Chrome prior to 154.0.8037.92 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)\n\n## Affected\n\n- `chrome < 154.0.8037.92`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `chrome 154.0.8037.92`\n\n## Vendor advisories\n\n- **Red Hat VEX** · updated 2026-09-29 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-102330.json)","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":213831,"id":"CVE-2026-102330","ts":1790792391477,"field":"cvss","old":"3.1","new":"6.5"},{"seq":213830,"id":"CVE-2026-102330","ts":1790792391477,"field":"severity","old":"low","new":"medium"},{"seq":213429,"id":"CVE-2026-102330","ts":1790754720180,"field":"cvss","old":null,"new":"3.1"},{"seq":213428,"id":"CVE-2026-102330","ts":1790754720180,"field":"severity","old":"none","new":"low"}]}