{"id":"CVE-2026-121051","kind":"vulnerability","aliases":["CVE-2026-121051"],"related":[],"title":"Chrome on iOS: crafted page can spoof the address bar","description":"UI misrepresentation in iOSWeb in Google Chrome on on iOS prior to 157.0.8103.38 allowed a remote attacker to spoof address bar via a crafted HTML page. (Chromium security severity: High)","summary":"A UI flaw in the iOSWeb component of Google Chrome on iOS lets a crafted HTML page display a fake address bar. An attacker can use this to make a phishing page look like a trusted site.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["chrome","ios","mobile-browsing","runtime"],"not_affected_if":["chrome-updated"],"how_to_check":"- Open Chrome on the iPhone or iPad and check the version under Chrome > Settings > Google Chrome (version string unknown from sources)","fix":"- Google Chrome on iOS: update to `157.0.8103.38` or later","status":"open","published_at":"2026-11-03T21:17:09+00:00","first_seen_at":"2026-11-03T21:19:10+00:00","triaged_at":"2026-11-03T21:27:16+00:00","updated_at":"2026-11-03T21:27:16+00:00","category":"runtime","confidence":0.6,"triage":{"at":"2026-11-03T21:27:16Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome on iOS: update to `157.0.8103.38` or later","reach":"internet","title":"Chrome on iOS: crafted page can spoof the address bar","impact":"low","summary":"A UI flaw in the iOSWeb component of Google Chrome on iOS lets a crafted HTML page display a fake address bar. An attacker can use this to make a phishing page look like a trusted site.","audience":"everyone","category":"runtime","nicknames":[],"who_cares":["chrome","ios","mobile-browsing"],"confidence":0.6,"fix_status":"available","needs_auth":"no","worst_case":"Users are tricked into trusting a fake address bar and page","analyst_note":"","how_to_check":"- Open Chrome on the iPhone or iPad and check the version under Chrome > Settings > Google Chrome (version string unknown from sources)\n- unknown for other checks","plain_action":"Update Google Chrome on your iPhone or iPad to version 157.0.8103.38 or later.","needs_analyst":false,"not_affected_if":["chrome-updated"],"who_is_affected":"Anyone using Google Chrome on iOS before version 157.0.8103.38. The sources describe a crafted HTML page as the trigger, so exposure comes from visiting an untrusted page. Desktop Chrome and other browsers are not mentioned.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000664,"input_tokens":4111,"output_tokens":506,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-121051':13A,16A '-2026':12A,15A '157.0.8103.38':72C 'address':9A,43B,79C 'allow':73C 'attack':46B,76C 'bar':10A,44B,80C 'brows':21B 'chrome':1A,17B,32B,66C 'chromium':86C 'compon':29B 'craft':4A,37B,83C 'cve':11A,14A 'display':40B 'fake':42B 'flaw':25B 'googl':31B,65C 'high':89C 'html':38B,84C 'io':3A,18B,34B,69C 'iosweb':28B,63C 'let':35B 'like':56B 'look':55B 'make':51B 'misrepresent':61C 'mobil':20B 'mobile-brows':19B 'page':5A,39B,54B,85C 'phish':53B 'prior':70C 'remot':75C 'runtim':22B 'secur':87C 'sever':88C 'site':59B 'spoof':7A,78C 'trust':58B 'ui':24B,60C 'use':48B 'via':81C","nicknames":[],"mitigations":[],"who_affected":"Anyone using Google Chrome on iOS before version 157.0.8103.38. The sources describe a crafted HTML page as the trigger, so exposure comes from visiting an untrusted page. Desktop Chrome and other browsers are not mentioned.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"everyone","plain_action":"Update Google Chrome on your iPhone or iPad to version 157.0.8103.38 or later.","pkeys":[],"ptokens":[],"labels":["chrome","high","ios","mobilebrowsing","runtime"],"campaign_type":null,"first_public_at":"2026-11-03T21:17:09+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-121051","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121051","severity":null,"published_at":"2026-11-03T21:17:09+00:00","modified_at":"2026-11-03T21:17:09+00:00","first_seen_at":"2026-11-03T21:19:10+00:00","fetched_at":"2026-11-03T21:19:10+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"}