{"id":"CVE-2026-121159","kind":"vulnerability","aliases":["CVE-2026-121159"],"related":[],"title":"Chrome: History flaw lets a crafted web page bypass access restrictions","description":"Incorrect authorization in History in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Low)","summary":"Google Chrome versions before 157.0.8103.38 have an incorrect authorization flaw in the History feature. A remote attacker who tricks a user into opening a crafted HTML page can bypass system access restrictions.","severity":"low","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["chrome","desktop-browser","runtime"],"not_affected_if":["chrome-updated"],"how_to_check":"- Check the installed Chrome version in Chrome's About page (Settings > About Chrome) and compare it to `157.0.8103.38`","fix":"- Google Chrome: move to `157.0.8103.38` or later","status":"open","published_at":"2026-11-03T21:17:23+00:00","first_seen_at":"2026-11-03T21:19:23+00:00","triaged_at":"2026-11-03T21:23:28+00:00","updated_at":"2026-11-03T21:23:28+00:00","category":"runtime","confidence":0.6,"triage":{"at":"2026-11-03T21:23:28Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: move to `157.0.8103.38` or later","reach":"internet","title":"Chrome: History flaw lets a crafted web page bypass access restrictions","impact":"medium","summary":"Google Chrome versions before 157.0.8103.38 have an incorrect authorization flaw in the History feature. A remote attacker who tricks a user into opening a crafted HTML page can bypass system access restrictions.","audience":"everyone","category":"runtime","nicknames":[],"who_cares":["chrome","desktop-browser"],"confidence":0.6,"fix_status":"available","needs_auth":"no","worst_case":"Attacker bypasses some system access restrictions after a user opens a page","analyst_note":"","how_to_check":"- Check the installed Chrome version in Chrome's About page (Settings > About Chrome) and compare it to `157.0.8103.38`","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 older than 157.0.8103.38 on a desktop browser. The attack needs a user to visit a crafted page, so exposure is tied to normal browsing.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"low"},"cost_usd":0.000644,"input_tokens":4103,"output_tokens":468,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-121159':14A,17A '-2026':13A,16A '157.0.8103.38':27B,64C 'access':10A,53B,75C 'allow':65C 'attack':39B,68C 'author':31B,56C 'browser':21B 'bypass':9A,51B,73C 'chrome':1A,18B,24B,61C 'chromium':82C 'craft':6A,47B,79C 'cve':12A,15A 'desktop':20B 'desktop-brows':19B 'engin':71C 'featur':36B 'flaw':3A,32B 'googl':23B,60C 'histori':2A,35B,58C 'html':48B,80C 'incorrect':30B,55C 'let':4A 'leverag':69C 'low':85C 'open':45B 'page':8A,49B,81C 'prior':62C 'remot':38B,67C 'restrict':11A,54B,76C 'runtim':22B 'secur':83C 'sever':84C 'social':70C 'system':52B,74C 'trick':41B 'user':43B 'version':25B 'via':77C 'web':7A","nicknames":[],"mitigations":[],"who_affected":"Anyone running Google Chrome older than 157.0.8103.38 on a desktop browser. The attack needs a user to visit a crafted page, so exposure is tied to normal browsing.","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":["chrome","desktopbrowser","low","runtime"],"campaign_type":null,"first_public_at":"2026-11-03T21:17:23+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-121159","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121159","severity":null,"published_at":"2026-11-03T21:17:23+00:00","modified_at":"2026-11-03T21:17:23+00:00","first_seen_at":"2026-11-03T21:19:23+00:00","fetched_at":"2026-11-03T21:19:23+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"}