{"id":"CVE-2026-121109","kind":"vulnerability","aliases":["CVE-2026-121109"],"related":[],"title":"Chrome: weak SSL encryption lets remote attacker bypass web origin policy","description":"Inadequate encryption strength in SSL in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to potentially bypass web origin policy via crafted network traffic. (Chromium security severity: Low)","summary":"Google Chrome before 157.0.8103.38 uses inadequate encryption strength in its SSL code. A remote attacker can send crafted network traffic to potentially bypass web origin policy.","severity":"low","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["chrome","desktop","mobile","other"],"not_affected_if":["chrome-already-updated"],"how_to_check":"- Check the installed Chrome version in Chrome's About page or with `google-chrome --version`\n- Compare it against the fixed version `157.0.8103.38`","fix":"- Google Chrome: move to `157.0.8103.38` or later","status":"open","published_at":"2026-11-03T21:17:17+00:00","first_seen_at":"2026-11-03T21:19:15+00:00","triaged_at":"2026-11-03T21:25:10+00:00","updated_at":"2026-11-03T21:25:10+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-11-03T21:25:10Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: move to `157.0.8103.38` or later","reach":"network","title":"Chrome: weak SSL encryption lets remote attacker bypass web origin policy","impact":"medium","summary":"Google Chrome before 157.0.8103.38 uses inadequate encryption strength in its SSL code. A remote attacker can send crafted network traffic to potentially bypass web origin policy.","audience":"everyone","category":"other","nicknames":[],"who_cares":["chrome","desktop","mobile"],"confidence":0.6,"fix_status":"available","needs_auth":"no","worst_case":"Attacker bypasses web origin policy via crafted network traffic.","analyst_note":"","how_to_check":"- Check the installed Chrome version in Chrome's About page or with `google-chrome --version`\n- Compare it against the fixed version `157.0.8103.38`","plain_action":"Update Google Chrome to version 157.0.8103.38 or later through its settings menu.","needs_analyst":false,"not_affected_if":["chrome-already-updated"],"who_is_affected":"Anyone running Google Chrome older than 157.0.8103.38 on a desktop or mobile device. The sources do not describe server-side or special configuration requirements.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"low"},"cost_usd":0.000646,"input_tokens":4101,"output_tokens":472,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-121109':14A,17A '-2026':13A,16A '157.0.8103.38':24B,57C 'allow':58C 'attack':7A,35B,61C 'bypass':8A,43B,64C 'chrome':1A,18B,22B,54C 'chromium':72C 'code':32B 'craft':38B,69C 'cve':12A,15A 'desktop':19B 'encrypt':4A,27B,48C 'googl':21B,53C 'inadequ':26B,47C 'let':5A 'low':75C 'mobil':20B 'network':39B,70C 'origin':10A,45B,66C 'polici':11A,46B,67C 'potenti':42B,63C 'prior':55C 'remot':6A,34B,60C 'secur':73C 'send':37B 'sever':74C 'ssl':3A,31B,51C 'strength':28B,49C 'traffic':40B,71C 'use':25B 'via':68C 'weak':2A 'web':9A,44B,65C","nicknames":[],"mitigations":[],"who_affected":"Anyone running Google Chrome older than 157.0.8103.38 on a desktop or mobile device. The sources do not describe server-side or special 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 through its settings menu.","pkeys":[],"ptokens":[],"labels":["chrome","desktop","low","mobile","other"],"campaign_type":null,"first_public_at":"2026-11-03T21:17:17+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-121109","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121109","severity":null,"published_at":"2026-11-03T21:17:17+00:00","modified_at":"2026-11-03T21:17:17+00:00","first_seen_at":"2026-11-03T21:19:15+00:00","fetched_at":"2026-11-03T21:19:15+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"}