{"id":"CVE-2026-113249","kind":"vulnerability","aliases":["CVE-2026-113249"],"related":[],"title":"Chrome for iOS: input validation flaw lets crafted page run code in sandbox","description":"Improper input validation in Mobile in Google Chrome on on iOS 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 on iOS before 156.0.8078.47 has an input validation flaw in its mobile code. A remote attacker can serve a crafted HTML page to potentially execute arbitrary code inside the browser 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":["chrome","ios","other","package"],"not_affected_if":["chrome-version-156.0.8078.47-or-later"],"how_to_check":"Open Chrome on iOS and check the version under Settings > Google Chrome > About Chrome (unknown if the sources give another method).","fix":"Update Chrome on iOS to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:18+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:35:47+00:00","updated_at":"2026-10-23T22:35:47+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-10-23T22:35:47Z","model":"claude-haiku-5-5","output":{"fix":"Update Chrome on iOS to 156.0.8078.47 or later.","reach":"internet","title":"Chrome for iOS: input validation flaw lets crafted page run code in sandbox","impact":"medium","summary":"Google Chrome on iOS before 156.0.8078.47 has an input validation flaw in its mobile code. A remote attacker can serve a crafted HTML page to potentially execute arbitrary code inside the browser sandbox.","category":"package","who_cares":["chrome","ios"],"confidence":0.7,"needs_auth":"no","worst_case":"Attacker code runs inside the browser sandbox after a victim visits a page.","analyst_note":"","how_to_check":"Open Chrome on iOS and check the version under Settings > Google Chrome > About Chrome (unknown if the sources give another method).","needs_analyst":false,"not_affected_if":["chrome-version-156.0.8078.47-or-later"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"unknown"},"cost_usd":0.000476,"input_tokens":2946,"output_tokens":362,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113249':16A,19A '-2026':15A,18A '156.0.8078.47':31B,72C 'allow':73C 'arbitrari':53B,80C 'attack':43B,76C 'browser':57B 'chrome':1A,21A,22B,27B,66C 'chromium':90C 'code':11A,40B,54B,81C 'craft':8A,47B,87C 'cve':14A,17A 'execut':52B,79C 'flaw':6A,36B 'googl':26B,65C 'google':20A 'html':48B,88C 'improp':59C 'input':4A,34B,60C 'insid':55B,82C 'io':3A,23B,29B,69C 'let':7A 'medium':93C 'mobil':39B,63C 'packag':25B 'page':9A,49B,89C 'potenti':51B,78C 'prior':70C 'remot':42B,75C 'run':10A 'sandbox':13A,58B,84C 'secur':91C 'serv':45B 'sever':92C 'valid':5A,35B,61C 'via':85C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:18+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-2026-113249","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113249","severity":null,"published_at":"2026-10-20T22:19:18+00:00","modified_at":"2026-10-22T12:08:11+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"}