{"id":"CVE-2026-113196","kind":"vulnerability","aliases":["CVE-2026-113196"],"related":[],"title":"Chrome on iOS: access control flaw lets crafted pages bypass origin policy","description":"Improper access control in Mobile in Google Chrome on on iOS 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":"Google Chrome for iOS before 156.0.8078.47 has an improper access control flaw in its mobile component. A remote attacker can serve a crafted HTML page to bypass the web origin policy, which can expose data from other sites.","severity":"medium","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browser","chrome","ios","mobile","other"],"not_affected_if":["updated-browser"],"how_to_check":"- Open Chrome on iOS and check the version under Settings > Google Chrome > About Chrome, or run `unknown` on managed devices if the sources do not say how.","fix":"- Update Chrome on iOS to `156.0.8078.47` or later through the App Store.","status":"open","published_at":"2026-10-20T22:19:12+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-25T05:04:11+00:00","updated_at":"2026-10-25T05:04:11+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-10-25T05:04:11Z","model":"claude-haiku-5-5","output":{"fix":"- Update Chrome on iOS to `156.0.8078.47` or later through the App Store.","reach":"internet","title":"Chrome on iOS: access control flaw lets crafted pages bypass origin policy","impact":"medium","summary":"Google Chrome for iOS before 156.0.8078.47 has an improper access control flaw in its mobile component. A remote attacker can serve a crafted HTML page to bypass the web origin policy, which can expose data from other sites.","category":"other","nicknames":[],"who_cares":["chrome","ios","mobile","browser"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker bypasses origin policy and reads data from other sites.","analyst_note":"","how_to_check":"- Open Chrome on iOS and check the version under Settings > Google Chrome > About Chrome, or run `unknown` on managed devices if the sources do not say how.","needs_analyst":false,"not_affected_if":["updated-browser"],"who_is_affected":"Users and teams running Chrome on iOS older than `156.0.8078.47`. Exposure comes from browsing untrusted or attacker-controlled pages in that browser. Devices on newer builds, or teams with no iOS Chrome installs, can skip it.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"medium"},"cost_usd":0.000564,"input_tokens":3294,"output_tokens":470,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-113196':15A,18A '-2026':14A,17A '156.0.8078.47':28B,74C 'access':4A,32B,62C 'allow':75C 'attack':41B,78C 'browser':19B 'bypass':10A,49B,80C 'chrome':1A,20B,24B,68C 'chromium':89C 'compon':38B 'control':5A,33B,63C 'craft':8A,45B,86C 'cve':13A,16A 'data':57B 'expos':56B 'flaw':6A,34B 'googl':23B,67C 'html':46B,87C 'improp':31B,61C 'io':3A,21B,26B,71C 'let':7A 'medium':92C 'mobil':22B,37B,65C 'origin':11A,52B,82C 'page':9A,47B,88C 'polici':12A,53B,83C 'prior':72C 'remot':40B,77C 'secur':90C 'serv':43B 'sever':91C 'site':60B 'via':84C 'web':51B,81C","nicknames":[],"mitigations":[],"who_affected":"Users and teams running Chrome on iOS older than `156.0.8078.47`. Exposure comes from browsing untrusted or attacker-controlled pages in that browser. Devices on newer builds, or teams with no iOS Chrome installs, can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:12+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113196","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113196","severity":null,"published_at":"2026-10-20T22:19:12+00:00","modified_at":"2026-10-21T14:27:19+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"}