{"id":"CVE-2026-121177","kind":"vulnerability","aliases":["CVE-2026-121177"],"related":[],"title":"Chrome on iOS: PageInfo UI can be spoofed by a crafted page","description":"UI misrepresentation in PageInfo in Google Chrome on on iOS prior to 157.0.8103.38 allowed a remote attacker to spoof UI elements via a crafted HTML page. (Chromium security severity: Medium)","summary":"Google Chrome on iOS before 157.0.8103.38 shows a misleading PageInfo panel when a visited page is crafted. A remote attacker can use a crafted HTML page to spoof UI elements, which may make a site look trustworthy when it is not.","severity":"medium","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browser","chrome","ios","other"],"not_affected_if":["updated-chrome"],"how_to_check":"- Open Chrome on iOS and check the version under Chrome > Settings > Google Chrome (or the About page); versions below `157.0.8103.38` are affected.","fix":"- Google Chrome on iOS: `157.0.8103.38`","status":"open","published_at":"2026-11-03T21:17:26+00:00","first_seen_at":"2026-11-03T21:19:24+00:00","triaged_at":"2026-11-03T21:23:11+00:00","updated_at":"2026-11-03T21:23:11+00:00","category":"other","confidence":0.7,"triage":{"at":"2026-11-03T21:23:11Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome on iOS: `157.0.8103.38`","reach":"internet","title":"Chrome on iOS: PageInfo UI can be spoofed by a crafted page","impact":"low","summary":"Google Chrome on iOS before 157.0.8103.38 shows a misleading PageInfo panel when a visited page is crafted. A remote attacker can use a crafted HTML page to spoof UI elements, which may make a site look trustworthy when it is not.","audience":"everyone","category":"other","nicknames":[],"who_cares":["chrome","ios","browser"],"confidence":0.7,"fix_status":"available","needs_auth":"no","worst_case":"Attacker spoofs browser UI to mislead a user about a site's identity.","analyst_note":"","how_to_check":"- Open Chrome on iOS and check the version under Chrome > Settings > Google Chrome (or the About page); versions below `157.0.8103.38` are affected.","plain_action":"Update Google Chrome on your iPhone to version 157.0.8103.38 or later through the App Store.","needs_analyst":false,"not_affected_if":["updated-chrome"],"who_is_affected":"Anyone using Google Chrome on iOS before 157.0.8103.38 who visits a page an attacker controls. Users of other browsers or of Chrome on other platforms are not covered by this entry.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"medium"},"cost_usd":0.000665,"input_tokens":4109,"output_tokens":509,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-121177':15A,18A '-2026':14A,17A '157.0.8103.38':27B,71C 'allow':72C 'attack':41B,75C 'browser':19B 'chrome':1A,20B,23B,65C 'chromium':85C 'craft':11A,38B,45B,82C 'cve':13A,16A 'element':51B,79C 'googl':22B,64C 'html':46B,83C 'io':3A,21B,25B,68C 'look':57B 'make':54B 'may':53B 'medium':88C 'mislead':30B 'misrepresent':60C 'page':12A,36B,47B,84C 'pageinfo':4A,31B,62C 'panel':32B 'prior':69C 'remot':40B,74C 'secur':86C 'sever':87C 'show':28B 'site':56B 'spoof':8A,49B,77C 'trustworthi':58B 'ui':5A,50B,59C,78C 'use':43B 'via':80C 'visit':35B","nicknames":[],"mitigations":[],"who_affected":"Anyone using Google Chrome on iOS before 157.0.8103.38 who visits a page an attacker controls. Users of other browsers or of Chrome on other platforms are not covered by this entry.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"everyone","plain_action":"Update Google Chrome on your iPhone to version 157.0.8103.38 or later through the App Store.","pkeys":[],"ptokens":[],"labels":["browser","chrome","ios","medium","other"],"campaign_type":null,"first_public_at":"2026-11-03T21:17:26+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-121177","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121177","severity":null,"published_at":"2026-11-03T21:17:26+00:00","modified_at":"2026-11-03T21:17:26+00:00","first_seen_at":"2026-11-03T21:19:24+00:00","fetched_at":"2026-11-03T21:19:24+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"}