{"id":"CVE-2026-113128","kind":"vulnerability","aliases":["CVE-2026-113128"],"related":[],"title":"Google Chrome: Animation flaw lets a crafted page bypass web origin policy","description":"Missing authorization in Animation in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)","summary":"A missing authorization check in Chrome's Animation component lets a remote attacker bypass the web origin policy using a crafted HTML page. An attacker who lures a user to such a page can read or act on data from other sites the user is logged into.","severity":"high","cvss":8.8,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"google chrome","fixed":["156.0.8078.47"],"affected":"< 156.0.8078.47","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["browsers","chrome","desktop","other","runtime"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Run chrome://version in the browser and check whether the version is below 156.0.8078.47.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:04+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:37:00+00:00","updated_at":"2026-10-23T22:37:00+00:00","category":"other","confidence":0.8,"triage":{"at":"2026-10-23T22:37:00Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Google Chrome: Animation flaw lets a crafted page bypass web origin policy","impact":"medium","summary":"A missing authorization check in Chrome's Animation component lets a remote attacker bypass the web origin policy using a crafted HTML page. An attacker who lures a user to such a page can read or act on data from other sites the user is logged into.","category":"other","who_cares":["chrome","desktop","browsers"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker reads cross-site data from a victim's browser session","analyst_note":"","how_to_check":"Run chrome://version in the browser and check whether the version is below 156.0.8078.47.","needs_analyst":false,"not_affected_if":["already-on-156.0.8078.47-or-later"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"unknown"},"cost_usd":0.000465,"input_tokens":2935,"output_tokens":342,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113128':15A,18A '-2026':14A,17A '156.0.8078.47':81C 'act':62B 'allow':82C 'anim':3A,33B,75C 'attack':38B,50B,85C 'author':28B,73C 'browser':21B 'bypass':9A,39B,87C 'check':29B 'chrome':2A,20A,22B,31B,78C 'chromium':96C 'compon':34B 'craft':7A,46B,93C 'cve':13A,16A 'data':64B 'desktop':23B 'flaw':4A 'googl':1A,77C 'google':19A 'html':47B,94C 'let':5A,35B 'log':71B 'lure':52B 'medium':99C 'miss':27B,72C 'origin':11A,42B,89C 'page':8A,48B,58B,95C 'polici':12A,43B,90C 'prior':79C 'read':60B 'remot':37B,84C 'runtim':25B 'secur':97C 'sever':98C 'site':67B 'use':44B 'user':54B,69B 'via':91C 'web':10A,41B,88C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:04+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113128","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113128","severity":null,"published_at":"2026-10-20T22:19:04+00:00","modified_at":"2026-10-21T16:16:21+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","fetched_at":"2026-10-23T22:28:59+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}