{"id":"CVE-2026-87571","title":"Improper certificate validation in Loader in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass web origin policy via crafted network traffic","summary":"Improper certificate validation in Loader in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass web origin policy via crafted network traffic. (Chromium security severity: Low)","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","cwe":["CWE-295"],"vendor":"google","product":"chrome","affected":["chrome < 153.0.8010.36"],"patched":["chrome 153.0.8010.36"],"published":"2026-09-09","updated":"2026-09-14","sourceUpdated":"2026-09-14T13:18:58.830","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-87571","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/540046516","label":"chrome-cve-admin@google.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-14T12:48:17.038957Z"},"epss":0.00111,"epssPercentile":0.01476,"ingestedAt":"2026-09-09T01:17:17.505Z","slug":"CVE-2026-87571","body":"## Overview\n\nImproper certificate validation in Loader in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass web origin policy via crafted network traffic. (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`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":202452,"id":"CVE-2026-87571","ts":1789400076224,"field":"cvss","old":null,"new":"5.4"},{"seq":202451,"id":"CVE-2026-87571","ts":1789400076224,"field":"severity","old":"none","new":"medium"},{"seq":201179,"id":"CVE-2026-87571","ts":1789397620202,"field":"cvss","old":"5.4","new":null},{"seq":201178,"id":"CVE-2026-87571","ts":1789397620202,"field":"severity","old":"medium","new":"none"},{"seq":199872,"id":"CVE-2026-87571","ts":1789395578161,"field":"cvss","old":null,"new":"5.4"},{"seq":199871,"id":"CVE-2026-87571","ts":1789395578161,"field":"severity","old":"none","new":"medium"},{"seq":199113,"id":"CVE-2026-87571","ts":1789392260277,"field":"cvss","old":"5.4","new":null},{"seq":199112,"id":"CVE-2026-87571","ts":1789392260277,"field":"severity","old":"medium","new":"none"},{"seq":197446,"id":"CVE-2026-87571","ts":1789384296819,"field":"cvss","old":null,"new":"5.4"},{"seq":197445,"id":"CVE-2026-87571","ts":1789384296819,"field":"severity","old":"none","new":"medium"},{"seq":196720,"id":"CVE-2026-87571","ts":1789383772444,"field":"cvss","old":"5.4","new":null},{"seq":196719,"id":"CVE-2026-87571","ts":1789383772444,"field":"severity","old":"medium","new":"none"},{"seq":195624,"id":"CVE-2026-87571","ts":1789380578195,"field":"cvss","old":null,"new":"5.4"},{"seq":195623,"id":"CVE-2026-87571","ts":1789380578195,"field":"severity","old":"none","new":"medium"},{"seq":194575,"id":"CVE-2026-87571","ts":1789378789428,"field":"cvss","old":"5.4","new":null},{"seq":194574,"id":"CVE-2026-87571","ts":1789378789428,"field":"severity","old":"medium","new":"none"},{"seq":193362,"id":"CVE-2026-87571","ts":1789376520848,"field":"cvss","old":null,"new":"5.4"},{"seq":193361,"id":"CVE-2026-87571","ts":1789376520848,"field":"severity","old":"none","new":"medium"},{"seq":192149,"id":"CVE-2026-87571","ts":1789373639234,"field":"cvss","old":"5.4","new":null},{"seq":192148,"id":"CVE-2026-87571","ts":1789373639234,"field":"severity","old":"medium","new":"none"},{"seq":190934,"id":"CVE-2026-87571","ts":1789369487817,"field":"cvss","old":null,"new":"5.4"},{"seq":190933,"id":"CVE-2026-87571","ts":1789369487817,"field":"severity","old":"none","new":"medium"},{"seq":189721,"id":"CVE-2026-87571","ts":1789368460810,"field":"cvss","old":"5.4","new":null},{"seq":189720,"id":"CVE-2026-87571","ts":1789368460810,"field":"severity","old":"medium","new":"none"},{"seq":188504,"id":"CVE-2026-87571","ts":1789365236775,"field":"cvss","old":null,"new":"5.4"},{"seq":188503,"id":"CVE-2026-87571","ts":1789365236775,"field":"severity","old":"none","new":"medium"},{"seq":187291,"id":"CVE-2026-87571","ts":1789363480145,"field":"cvss","old":"5.4","new":null},{"seq":187290,"id":"CVE-2026-87571","ts":1789363480145,"field":"severity","old":"medium","new":"none"},{"seq":186077,"id":"CVE-2026-87571","ts":1789361235428,"field":"cvss","old":null,"new":"5.4"},{"seq":186076,"id":"CVE-2026-87571","ts":1789361235428,"field":"severity","old":"none","new":"medium"},{"seq":184864,"id":"CVE-2026-87571","ts":1789358377170,"field":"cvss","old":"5.4","new":null},{"seq":184863,"id":"CVE-2026-87571","ts":1789358377170,"field":"severity","old":"medium","new":"none"},{"seq":183113,"id":"CVE-2026-87571","ts":1789354323281,"field":"cvss","old":null,"new":"5.4"},{"seq":183112,"id":"CVE-2026-87571","ts":1789354323281,"field":"severity","old":"none","new":"medium"},{"seq":181906,"id":"CVE-2026-87571","ts":1789353335125,"field":"cvss","old":"5.4","new":null},{"seq":181905,"id":"CVE-2026-87571","ts":1789353335125,"field":"severity","old":"medium","new":"none"},{"seq":180699,"id":"CVE-2026-87571","ts":1789350290769,"field":"cvss","old":null,"new":"5.4"},{"seq":180698,"id":"CVE-2026-87571","ts":1789350290769,"field":"severity","old":"none","new":"medium"},{"seq":179492,"id":"CVE-2026-87571","ts":1789348308429,"field":"cvss","old":"5.4","new":null},{"seq":179491,"id":"CVE-2026-87571","ts":1789348308429,"field":"severity","old":"medium","new":"none"},{"seq":178285,"id":"CVE-2026-87571","ts":1789346377765,"field":"cvss","old":null,"new":"5.4"},{"seq":178284,"id":"CVE-2026-87571","ts":1789346377765,"field":"severity","old":"none","new":"medium"},{"seq":177078,"id":"CVE-2026-87571","ts":1789343188373,"field":"cvss","old":"5.4","new":null},{"seq":177077,"id":"CVE-2026-87571","ts":1789343188373,"field":"severity","old":"medium","new":"none"},{"seq":175195,"id":"CVE-2026-87571","ts":1789334884424,"field":"cvss","old":null,"new":"5.4"},{"seq":175194,"id":"CVE-2026-87571","ts":1789334884424,"field":"severity","old":"none","new":"medium"},{"seq":173990,"id":"CVE-2026-87571","ts":1789333703542,"field":"cvss","old":"5.4","new":null},{"seq":173989,"id":"CVE-2026-87571","ts":1789333703542,"field":"severity","old":"medium","new":"none"},{"seq":172804,"id":"CVE-2026-87571","ts":1789331096775,"field":"cvss","old":null,"new":"5.4"},{"seq":172803,"id":"CVE-2026-87571","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