{"id":"CVE-2026-113175","kind":"vulnerability","aliases":["CVE-2026-113175"],"related":[],"title":"Chrome: crafted HTML page runs code inside sandbox via FileSystem","description":"Improper input validation in FileSystem in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)","summary":"A flaw in Chrome's FileSystem handling lets a remote attacker run arbitrary code inside the browser sandbox by luring a user to a crafted HTML page. Sources do not say whether a sandbox escape is also possible.","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","linux","macos","package","runtime","windows"],"not_affected_if":["already-on-fixed-version"],"how_to_check":"Open chrome://version and compare the version to 156.0.8078.47 or later.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:10+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:36:31+00:00","updated_at":"2026-10-23T22:36:31+00:00","category":"package","confidence":0.8,"triage":{"at":"2026-10-23T22:36:31Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Chrome: crafted HTML page runs code inside sandbox via FileSystem","impact":"high","summary":"A flaw in Chrome's FileSystem handling lets a remote attacker run arbitrary code inside the browser sandbox by luring a user to a crafted HTML page. Sources do not say whether a sandbox escape is also possible.","category":"package","who_cares":["chrome","browsers","windows","macos","linux"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker code runs inside the browser sandbox on the visitor's machine.","analyst_note":"","how_to_check":"Open chrome://version and compare the version to 156.0.8078.47 or later.","needs_analyst":false,"not_affected_if":["already-on-fixed-version"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000465,"input_tokens":2947,"output_tokens":341,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113175':13A,16A '-2026':12A,15A '156.0.8078.47':74C 'allow':75C 'also':62B 'arbitrari':38B,81C 'attack':36B,78C 'browser':19B,42B 'chrome':1A,18A,20B,29B,71C 'chromium':91C 'code':6A,39B,82C 'craft':2A,50B,88C 'cve':11A,14A 'escap':60B 'execut':80C 'filesystem':10A,31B,68C 'flaw':27B 'googl':70C 'google':17A 'handl':32B 'high':94C 'html':3A,51B,89C 'improp':64C 'input':65C 'insid':7A,40B,83C 'let':33B 'linux':21B 'lure':45B 'maco':22B 'packag':23B 'page':4A,52B,90C 'possibl':63B 'prior':72C 'remot':35B,77C 'run':5A,37B 'runtim':24B 'sandbox':8A,43B,59B,85C 'say':56B 'secur':92C 'sever':93C 'sourc':53B 'user':47B 'valid':66C 'via':9A,86C 'whether':57B 'window':25B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:10+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":"134c704f-9b21-4f2e-91b3-4a467353bcc0","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113175","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113175","severity":null,"published_at":"2026-10-20T22:19:10+00:00","modified_at":"2026-10-22T15:27:03+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"}