{"id":"CVE-2026-121031","title":"Missing authorization in PDF in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy into a privileged page via a crafted Chrome extension","summary":"Missing authorization in PDF in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy into a privileged page via a crafted Chrome extension. (Chromium security severity: Medium)","severity":"none","cwe":["CWE-862"],"vendor":"Google","product":"Chrome","affected":["Chrome >= 157.0.8103.38 < 157.0.8103.38"],"published":"2026-11-03","updated":"2026-11-03","sourceUpdated":"2026-11-03T20:42:40.140Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-121031","references":[{"url":"https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html"},{"url":"https://issues.chromium.org/issues/497950736"}],"tags":["cve.org"],"epss":0.0022,"epssPercentile":0.12669,"ingestedAt":"2026-11-05T20:33:06.457Z","slug":"CVE-2026-121031","body":"## Overview\n\nMissing authorization in PDF in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy into a privileged page via a crafted Chrome extension. (Chromium security severity: Medium)\n\n## Affected\n\n- `Chrome >= 157.0.8103.38 < 157.0.8103.38`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}