{"id":"CVE-2026-113086","kind":"vulnerability","aliases":["CVE-2026-113086"],"related":[],"title":"Chrome: crafted HTML page can run code inside the browser sandbox","description":"Improper input validation in Input in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)","summary":"Google Chrome before 156.0.8078.47 has an input validation flaw in its Input component. A remote attacker who gets a user to open a crafted HTML page can run arbitrary code inside the sandbox.","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-updated"],"how_to_check":"Run chrome://version and compare the version with 156.0.8078.47.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:00+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","triaged_at":"2026-10-23T22:37:32+00:00","updated_at":"2026-10-23T22:37:32+00:00","category":"package","confidence":0.8,"triage":{"at":"2026-10-23T22:37:32Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Chrome: crafted HTML page can run code inside the browser sandbox","impact":"medium","summary":"Google Chrome before 156.0.8078.47 has an input validation flaw in its Input component. A remote attacker who gets a user to open a crafted HTML page can run arbitrary code inside the sandbox.","category":"package","who_cares":["chrome","browsers","windows","macos","linux"],"confidence":0.8,"needs_auth":"no","worst_case":"code runs inside the browser sandbox after a user visits a page","analyst_note":"","how_to_check":"Run chrome://version and compare the version with 156.0.8078.47.","needs_analyst":false,"not_affected_if":["already-updated"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000453,"input_tokens":2947,"output_tokens":317,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113086':14A,17A '-2026':13A,16A '156.0.8078.47':30B,70C 'allow':71C 'arbitrari':55B,78C 'attack':42B,74C 'browser':10A,20B 'chrome':1A,19A,21B,28B,67C 'chromium':88C 'code':7A,56B,79C 'compon':39B 'craft':2A,50B,85C 'cve':12A,15A 'execut':77C 'flaw':35B 'get':44B 'googl':27B,66C 'google':18A 'html':3A,51B,86C 'improp':60C 'input':33B,38B,61C,64C 'insid':8A,57B,80C 'linux':22B 'maco':23B 'medium':91C 'open':48B 'packag':24B 'page':4A,52B,87C 'potenti':76C 'prior':68C 'remot':41B,73C 'run':6A,54B 'runtim':25B 'sandbox':11A,59B,82C 'secur':89C 'sever':90C 'user':46B 'valid':34B,62C 'via':83C 'window':26B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:00+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-2026-113086","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113086","severity":null,"published_at":"2026-10-20T22:19:00+00:00","modified_at":"2026-10-22T15:34:29+00:00","first_seen_at":"2026-10-23T21:57:23+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"}