{"id":"CVE-2026-17909","title":"Insufficient validation of untrusted input in Isolated Web Apps in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via malicious network traffic","summary":"Insufficient validation of untrusted input in Isolated Web Apps in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via malicious network traffic. (Chromium security severity: Low)","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-20"],"vendor":"google","product":"chrome","affected":["chrome < 151.0.7922.72"],"patched":["chrome 151.0.7922.72"],"published":"2026-07-30","updated":"2026-09-21","sourceUpdated":"2026-09-21T19:17:04.240","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-17909","references":[{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","label":"chrome-cve-admin@google.com"},{"url":"https://issues.chromium.org/issues/501693236","label":"chrome-cve-admin@google.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-07-30T18:02:59.037719Z"},"epss":0.00215,"epssPercentile":0.12147,"ingestedAt":"2026-09-21T19:51:58.845Z","slug":"CVE-2026-17909","body":"## Overview\n\nInsufficient validation of untrusted input in Isolated Web Apps in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via malicious network traffic. (Chromium security severity: Low)\n\n## Affected\n\n- `chrome < 151.0.7922.72`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `chrome 151.0.7922.72`","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}