{"id":"CVE-2026-87561","title":"Incorrect authorization in Web Authentication in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass web origin policy via a crafted Chrome extension","summary":"Incorrect authorization in Web Authentication in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass web origin policy via a crafted Chrome extension. (Chromium security severity: Low)","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","cwe":["CWE-863"],"vendor":"google","product":"chrome","affected":["chrome < 153.0.8010.36"],"patched":["chrome 153.0.8010.36"],"published":"2026-09-09","updated":"2026-09-10","sourceUpdated":"2026-09-10T20:17:30.277","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-87561","references":[{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html","label":"chrome-cve-admin@google.com"},{"url":"https://issues.chromium.org/issues/499217288","label":"chrome-cve-admin@google.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-87561.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-87561"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-87561"}],"tags":["nvd","cve.org","csaf","vex","red-hat","score-dispute"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-10T18:35:11.569131Z"},"epss":0.00264,"epssPercentile":0.16258,"scores":{"nvd":4.3,"vendor":0,"adp":4.3},"ingestedAt":"2026-09-09T01:17:17.506Z","slug":"CVE-2026-87561","body":"## Overview\n\nIncorrect authorization in Web Authentication in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass web origin policy via a crafted Chrome extension. (Chromium security severity: Low)\n\n## Affected\n\n- `chrome < 153.0.8010.36`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `chrome 153.0.8010.36`\n\n## Vendor advisories\n\n- **Red Hat VEX** · updated 2026-09-09 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-87561.json)","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":202432,"id":"CVE-2026-87561","ts":1789400074267,"field":"cvss","old":null,"new":"4.3"},{"seq":202431,"id":"CVE-2026-87561","ts":1789400074267,"field":"severity","old":"none","new":"medium"},{"seq":201159,"id":"CVE-2026-87561","ts":1789397620129,"field":"cvss","old":"4.3","new":null},{"seq":201158,"id":"CVE-2026-87561","ts":1789397620129,"field":"severity","old":"medium","new":"none"},{"seq":199852,"id":"CVE-2026-87561","ts":1789395578092,"field":"cvss","old":null,"new":"4.3"},{"seq":199851,"id":"CVE-2026-87561","ts":1789395578092,"field":"severity","old":"none","new":"medium"},{"seq":199093,"id":"CVE-2026-87561","ts":1789392260210,"field":"cvss","old":"4.3","new":null},{"seq":199092,"id":"CVE-2026-87561","ts":1789392260210,"field":"severity","old":"medium","new":"none"},{"seq":197426,"id":"CVE-2026-87561","ts":1789384296756,"field":"cvss","old":null,"new":"4.3"},{"seq":197425,"id":"CVE-2026-87561","ts":1789384296756,"field":"severity","old":"none","new":"medium"},{"seq":196700,"id":"CVE-2026-87561","ts":1789383771133,"field":"cvss","old":"4.3","new":null},{"seq":196699,"id":"CVE-2026-87561","ts":1789383771133,"field":"severity","old":"medium","new":"none"},{"seq":195604,"id":"CVE-2026-87561","ts":1789380578128,"field":"cvss","old":null,"new":"4.3"},{"seq":195603,"id":"CVE-2026-87561","ts":1789380578128,"field":"severity","old":"none","new":"medium"},{"seq":194555,"id":"CVE-2026-87561","ts":1789378789358,"field":"cvss","old":"4.3","new":null},{"seq":194554,"id":"CVE-2026-87561","ts":1789378789358,"field":"severity","old":"medium","new":"none"},{"seq":193342,"id":"CVE-2026-87561","ts":1789376520774,"field":"cvss","old":null,"new":"4.3"},{"seq":193341,"id":"CVE-2026-87561","ts":1789376520774,"field":"severity","old":"none","new":"medium"},{"seq":192129,"id":"CVE-2026-87561","ts":1789373639159,"field":"cvss","old":"4.3","new":null},{"seq":192128,"id":"CVE-2026-87561","ts":1789373639159,"field":"severity","old":"medium","new":"none"},{"seq":190914,"id":"CVE-2026-87561","ts":1789369487688,"field":"cvss","old":null,"new":"4.3"},{"seq":190913,"id":"CVE-2026-87561","ts":1789369487688,"field":"severity","old":"none","new":"medium"},{"seq":189701,"id":"CVE-2026-87561","ts":1789368460740,"field":"cvss","old":"4.3","new":null},{"seq":189700,"id":"CVE-2026-87561","ts":1789368460740,"field":"severity","old":"medium","new":"none"},{"seq":188484,"id":"CVE-2026-87561","ts":1789365236703,"field":"cvss","old":null,"new":"4.3"},{"seq":188483,"id":"CVE-2026-87561","ts":1789365236703,"field":"severity","old":"none","new":"medium"},{"seq":187271,"id":"CVE-2026-87561","ts":1789363480077,"field":"cvss","old":"4.3","new":null},{"seq":187270,"id":"CVE-2026-87561","ts":1789363480077,"field":"severity","old":"medium","new":"none"},{"seq":186057,"id":"CVE-2026-87561","ts":1789361235348,"field":"cvss","old":null,"new":"4.3"},{"seq":186056,"id":"CVE-2026-87561","ts":1789361235348,"field":"severity","old":"none","new":"medium"},{"seq":184844,"id":"CVE-2026-87561","ts":1789358377090,"field":"cvss","old":"4.3","new":null},{"seq":184843,"id":"CVE-2026-87561","ts":1789358377090,"field":"severity","old":"medium","new":"none"},{"seq":183093,"id":"CVE-2026-87561","ts":1789354323202,"field":"cvss","old":null,"new":"4.3"},{"seq":183092,"id":"CVE-2026-87561","ts":1789354323202,"field":"severity","old":"none","new":"medium"},{"seq":181886,"id":"CVE-2026-87561","ts":1789353335057,"field":"cvss","old":"4.3","new":null},{"seq":181885,"id":"CVE-2026-87561","ts":1789353335057,"field":"severity","old":"medium","new":"none"},{"seq":180679,"id":"CVE-2026-87561","ts":1789350290698,"field":"cvss","old":null,"new":"4.3"},{"seq":180678,"id":"CVE-2026-87561","ts":1789350290698,"field":"severity","old":"none","new":"medium"},{"seq":179472,"id":"CVE-2026-87561","ts":1789348308352,"field":"cvss","old":"4.3","new":null},{"seq":179471,"id":"CVE-2026-87561","ts":1789348308352,"field":"severity","old":"medium","new":"none"},{"seq":178265,"id":"CVE-2026-87561","ts":1789346377697,"field":"cvss","old":null,"new":"4.3"},{"seq":178264,"id":"CVE-2026-87561","ts":1789346377697,"field":"severity","old":"none","new":"medium"},{"seq":177058,"id":"CVE-2026-87561","ts":1789343188294,"field":"cvss","old":"4.3","new":null},{"seq":177057,"id":"CVE-2026-87561","ts":1789343188294,"field":"severity","old":"medium","new":"none"},{"seq":175175,"id":"CVE-2026-87561","ts":1789334884348,"field":"cvss","old":null,"new":"4.3"},{"seq":175174,"id":"CVE-2026-87561","ts":1789334884348,"field":"severity","old":"none","new":"medium"},{"seq":173970,"id":"CVE-2026-87561","ts":1789333703473,"field":"cvss","old":"4.3","new":null},{"seq":173969,"id":"CVE-2026-87561","ts":1789333703473,"field":"severity","old":"medium","new":"none"},{"seq":172784,"id":"CVE-2026-87561","ts":1789331096706,"field":"cvss","old":null,"new":"4.3"},{"seq":172783,"id":"CVE-2026-87561","ts":1789331096706,"field":"severity","old":"none","new":"medium"}]}