{"id":"CVE-2026-121157","kind":"vulnerability","aliases":["CVE-2026-121157"],"related":[],"title":"Google Chrome: Chromoting flaw lets a local program bypass access restrictions","description":"Incorrect authorization in Chromoting in Google Chrome prior to 157.0.8103.38 allowed a local attacker to bypass system access restrictions via a local program. (Chromium security severity: Low)","summary":"Chrome's Chromoting remote-desktop component had an authorization flaw before version 157.0.8103.38. A local program on the machine can use it to bypass system access restrictions.","severity":"low","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["chrome","chrome-remote-desktop","linux","macos","package","windows"],"not_affected_if":["chrome-version-157.0.8103.38-or-later"],"how_to_check":"- Check the installed Chrome version in Chrome's About page or with `chrome://version`\n- Confirm whether Chrome Remote Desktop (Chromoting) is in use on the machine","fix":"- Google Chrome: `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":"2026-11-03T21:24:35+00:00","updated_at":"2026-11-03T21:24:35+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-11-03T21:24:35Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: `157.0.8103.38` or later","reach":"local","title":"Google Chrome: Chromoting flaw lets a local program bypass access restrictions","impact":"medium","summary":"Chrome's Chromoting remote-desktop component had an authorization flaw before version 157.0.8103.38. A local program on the machine can use it to bypass system access restrictions.","audience":"everyone","category":"package","nicknames":[],"who_cares":["chrome","windows","macos","linux","chrome-remote-desktop"],"confidence":0.6,"fix_status":"available","needs_auth":"unknown","worst_case":"local program bypasses system access restrictions on the machine","analyst_note":"","how_to_check":"- Check the installed Chrome version in Chrome's About page or with `chrome://version`\n- Confirm whether Chrome Remote Desktop (Chromoting) is in use on the machine","plain_action":"Update Google Chrome to version 157.0.8103.38 or later.","needs_analyst":false,"not_affected_if":["chrome-version-157.0.8103.38-or-later"],"who_is_affected":"Machines running Google Chrome before 157.0.8103.38, mainly those where Chrome Remote Desktop (Chromoting) is used. The attacker needs local access and a local program, so servers without local untrusted code are lower risk. Sources do not say whether the flaw depends on a non-default setting.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"low"},"cost_usd":0.000675,"input_tokens":4096,"output_tokens":531,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-121157':14A,17A '-2026':13A,16A '157.0.8103.38':40B,64C 'access':10A,53B,72C 'allow':65C 'attack':68C 'author':36B,56C 'bypass':9A,51B,70C 'chrome':2A,18B,20B,27B,61C 'chrome-remote-desktop':19B 'chromium':78C 'chromot':3A,29B,58C 'compon':33B 'cve':12A,15A 'desktop':22B,32B 'flaw':4A,37B 'googl':1A,60C 'incorrect':55C 'let':5A 'linux':23B 'local':7A,42B,67C,76C 'low':81C 'machin':46B 'maco':24B 'packag':25B 'prior':62C 'program':8A,43B,77C 'remot':21B,31B 'remote-desktop':30B 'restrict':11A,54B,73C 'secur':79C 'sever':80C 'system':52B,71C 'use':48B 'version':39B 'via':74C 'window':26B","nicknames":[],"mitigations":[],"who_affected":"Machines running Google Chrome before 157.0.8103.38, mainly those where Chrome Remote Desktop (Chromoting) is used. The attacker needs local access and a local program, so servers without local untrusted code are lower risk. Sources do not say whether the flaw depends on a non-default setting.","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","chromeremotedesktop","linux","low","macos","package","windows"],"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-2026-121157","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121157","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"}