{"id":"CVE-2026-121136","kind":"vulnerability","aliases":["CVE-2026-121136"],"related":[],"title":"Chrome: DevTools missing authorization lets remote attacker bypass access restrictions","description":"Missing authorization in DevTools in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to bypass system access restrictions via crafted network traffic. (Chromium security severity: Medium)","summary":"Google Chrome's DevTools component lacks an authorization check, per the NVD description. A remote attacker who uses social engineering and crafted network traffic can bypass system access restrictions.","severity":"medium","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browser","chrome","desktop","mobile","runtime"],"not_affected_if":["chrome-updated-to-157.0.8103.38-or-later"],"how_to_check":"- Check the installed Chrome version: `chrome://version` in the browser, or on the command line `google-chrome --version`.\n- Confirm whether the version is below `157.0.8103.38`.","fix":"- Google Chrome: move to `157.0.8103.38` or later.","status":"open","published_at":"2026-11-03T21:17:22+00:00","first_seen_at":"2026-11-03T21:19:22+00:00","triaged_at":"2026-11-03T21:24:43+00:00","updated_at":"2026-11-03T21:24:43+00:00","category":"runtime","confidence":0.6,"triage":{"at":"2026-11-03T21:24:43Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: move to `157.0.8103.38` or later.","reach":"internet","title":"Chrome: DevTools missing authorization lets remote attacker bypass access restrictions","impact":"medium","summary":"Google Chrome's DevTools component lacks an authorization check, per the NVD description. A remote attacker who uses social engineering and crafted network traffic can bypass system access restrictions.","audience":"everyone","category":"runtime","nicknames":[],"who_cares":["chrome","browser","desktop","mobile"],"confidence":0.6,"fix_status":"available","needs_auth":"unknown","worst_case":"Attacker bypasses access restrictions on the browser via crafted traffic","analyst_note":"","how_to_check":"- Check the installed Chrome version: `chrome://version` in the browser, or on the command line `google-chrome --version`.\n- Confirm whether the version is below `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-to-157.0.8103.38-or-later"],"who_is_affected":"Desktop and mobile users running Google Chrome builds before 157.0.8103.38. The exposure depends on a remote attacker persuading a user to engage, so the browser's own update is the relevant control; the sources do not describe additional configuration requirements.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000674,"input_tokens":4105,"output_tokens":526,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-121136':13A,16A '-2026':12A,15A '157.0.8103.38':60C 'access':9A,49B,71C 'allow':61C 'attack':7A,37B,64C 'author':4A,29B,52C 'browser':17B 'bypass':8A,47B,69C 'check':30B 'chrome':1A,18B,23B,57C 'chromium':77C 'compon':26B 'craft':43B,74C 'cve':11A,14A 'descript':34B 'desktop':19B 'devtool':2A,25B,54C 'engin':41B,67C 'googl':22B,56C 'lack':27B 'let':5A 'leverag':65C 'medium':80C 'miss':3A,51C 'mobil':20B 'network':44B,75C 'nvd':33B 'per':31B 'prior':58C 'remot':6A,36B,63C 'restrict':10A,50B,72C 'runtim':21B 'secur':78C 'sever':79C 'social':40B,66C 'system':48B,70C 'traffic':45B,76C 'use':39B 'via':73C","nicknames":[],"mitigations":[],"who_affected":"Desktop and mobile users running Google Chrome builds before 157.0.8103.38. The exposure depends on a remote attacker persuading a user to engage, so the browser's own update is the relevant control; the sources do not describe additional configuration requirements.","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":["browser","chrome","desktop","medium","mobile","runtime"],"campaign_type":null,"first_public_at":"2026-11-03T21:17:22+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-121136","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121136","severity":null,"published_at":"2026-11-03T21:17:22+00:00","modified_at":"2026-11-03T21:17:22+00:00","first_seen_at":"2026-11-03T21:19:22+00:00","fetched_at":"2026-11-03T21:19:22+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"}