{"id":"CVE-2026-121085","kind":"vulnerability","aliases":["CVE-2026-121085"],"related":[],"title":"Chrome: crafted web page bypasses access limits on privileged pages","description":"Incorrect authorization in WebUI in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass system access restrictions into a privileged page via a crafted HTML page. (Chromium security severity: Low)","summary":"Google Chrome before 157.0.8103.38 has an authorization flaw in its WebUI that lets a remote attacker get into a privileged internal page through a crafted HTML page. The Chromium security team rates it Low severity.","severity":"low","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browser","chrome","linux","macos","package","windows"],"not_affected_if":["chrome-updated"],"how_to_check":"- Check the Chrome version under Chrome menu > Help > About Google Chrome, and compare it with `157.0.8103.38`","fix":"- Google Chrome: `157.0.8103.38` or later","status":"open","published_at":"2026-11-03T21:17:13+00:00","first_seen_at":"2026-11-03T21:19:12+00:00","triaged_at":"2026-11-03T21:26:44+00:00","updated_at":"2026-11-03T21:26:44+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-11-03T21:26:44Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: `157.0.8103.38` or later","reach":"internet","title":"Chrome: crafted web page bypasses access limits on privileged pages","impact":"medium","summary":"Google Chrome before 157.0.8103.38 has an authorization flaw in its WebUI that lets a remote attacker get into a privileged internal page through a crafted HTML page. The Chromium security team rates it Low severity.","audience":"everyone","category":"package","nicknames":[],"who_cares":["chrome","browser","windows","macos","linux"],"confidence":0.6,"fix_status":"available","needs_auth":"no","worst_case":"attacker reaches a privileged browser page from a crafted web page","analyst_note":"","how_to_check":"- Check the Chrome version under Chrome menu > Help > About Google Chrome, and compare it with `157.0.8103.38`\n- unknown","plain_action":"Update Google Chrome to version 157.0.8103.38 or later: Chrome menu > Help > About Google Chrome.","needs_analyst":false,"not_affected_if":["chrome-updated"],"who_is_affected":"Anyone running Google Chrome before 157.0.8103.38 who visits untrusted web pages. Managed browsers that restrict which sites load may be less exposed; the sources do not say more.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"low"},"cost_usd":0.000656,"input_tokens":4108,"output_tokens":491,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-121085':13A,16A '-2026':12A,15A '157.0.8103.38':26B,67C 'access':6A,75C 'allow':68C 'attack':38B,71C 'author':29B,59C 'browser':17B 'bypass':5A,73C 'chrome':1A,18B,24B,64C 'chromium':51B,86C 'craft':2A,47B,83C 'cve':11A,14A 'flaw':30B 'get':39B 'googl':23B,63C 'html':48B,84C 'incorrect':58C 'intern':43B 'let':35B 'limit':7A 'linux':19B 'low':56B,89C 'maco':20B 'packag':21B 'page':4A,10A,44B,49B,80C,85C 'prior':65C 'privileg':9A,42B,79C 'rate':54B 'remot':37B,70C 'restrict':76C 'secur':52B,87C 'sever':57B,88C 'system':74C 'team':53B 'via':81C 'web':3A 'webui':33B,61C 'window':22B","nicknames":[],"mitigations":[],"who_affected":"Anyone running Google Chrome before 157.0.8103.38 who visits untrusted web pages. Managed browsers that restrict which sites load may be less exposed; the sources do not say more.","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: Chrome menu > Help > About Google Chrome.","pkeys":[],"ptokens":[],"labels":["browser","chrome","linux","low","macos","package","windows"],"campaign_type":null,"first_public_at":"2026-11-03T21:17:13+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-121085","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121085","severity":null,"published_at":"2026-11-03T21:17:13+00:00","modified_at":"2026-11-03T21:17:14+00:00","first_seen_at":"2026-11-03T21:19:12+00:00","fetched_at":"2026-11-03T21:19:12+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"}