{"id":"CVE-2026-121215","kind":"vulnerability","aliases":["CVE-2026-121215"],"related":[],"title":"Chrome: Bluetooth UI can be spoofed by a crafted web page","description":"UI misrepresentation in Bluetooth in Google Chrome 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 before 157.0.8103.38 has a UI misrepresentation flaw in its Bluetooth handling. A remote attacker can use a crafted HTML page to spoof user interface elements, which can mislead a user into a wrong action.","severity":"medium","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["bluetooth","browser","chrome","other"],"not_affected_if":["chrome-updated"],"how_to_check":"- Check the Chrome version in the browser's About page or with `chrome://version`; versions below `157.0.8103.38` are listed as prior to the fix.","fix":"- Google Chrome: `157.0.8103.38` or later","status":"open","published_at":"2026-11-03T21:17:30+00:00","first_seen_at":"2026-11-03T21:19:27+00:00","triaged_at":"2026-11-03T21:22:36+00:00","updated_at":"2026-11-03T21:22:36+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-11-03T21:22:36Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: `157.0.8103.38` or later","reach":"internet","title":"Chrome: Bluetooth UI can be spoofed by a crafted web page","impact":"low","summary":"Google Chrome before 157.0.8103.38 has a UI misrepresentation flaw in its Bluetooth handling. A remote attacker can use a crafted HTML page to spoof user interface elements, which can mislead a user into a wrong action.","audience":"everyone","category":"other","nicknames":[],"who_cares":["chrome","browser","bluetooth"],"confidence":0.6,"fix_status":"available","needs_auth":"no","worst_case":"A web page can fake browser dialogs and trick the user into harmful actions.","analyst_note":"","how_to_check":"- Check the Chrome version in the browser's About page or with `chrome://version`; versions below `157.0.8103.38` are listed as prior to the fix.","plain_action":"Update Google Chrome to version 157.0.8103.38 or later.","needs_analyst":false,"not_affected_if":["chrome-updated"],"who_is_affected":"Anyone running Google Chrome before 157.0.8103.38 who visits a malicious web page. Exposure relies on the browser's Bluetooth feature being in use; the sources do not say whether that is required.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000657,"input_tokens":4106,"output_tokens":492,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-121215':14A,17A '-2026':13A,16A '157.0.8103.38':24B,66C 'action':56B 'allow':67C 'attack':36B,70C 'bluetooth':2A,18B,32B,60C 'browser':19B 'chrome':1A,20B,22B,63C 'chromium':80C 'craft':9A,40B,77C 'cve':12A,15A 'element':47B,74C 'flaw':29B 'googl':21B,62C 'handl':33B 'html':41B,78C 'interfac':46B 'medium':83C 'mislead':50B 'misrepresent':28B,58C 'page':11A,42B,79C 'prior':64C 'remot':35B,69C 'secur':81C 'sever':82C 'spoof':6A,44B,72C 'ui':3A,27B,57C,73C 'use':38B 'user':45B,52B 'via':75C 'web':10A 'wrong':55B","nicknames":[],"mitigations":[],"who_affected":"Anyone running Google Chrome before 157.0.8103.38 who visits a malicious web page. Exposure relies on the browser's Bluetooth feature being in use; the sources do not say whether that is required.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"everyone","plain_action":"Update Google Chrome to version 157.0.8103.38 or later.","pkeys":[],"ptokens":[],"labels":["bluetooth","browser","chrome","medium","other"],"campaign_type":null,"first_public_at":"2026-11-03T21:17:30+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-121215","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121215","severity":null,"published_at":"2026-11-03T21:17:30+00:00","modified_at":"2026-11-03T21:17:31+00:00","first_seen_at":"2026-11-03T21:19:27+00:00","fetched_at":"2026-11-03T21:19:27+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"}