{"id":"CVE-2026-126855","kind":"vulnerability","aliases":["CVE-2026-126855"],"related":[],"title":"Google Chrome: ImageCapture missing check lets compromised renderer bypass origin policy","description":"Missing authorization in ImageCapture in Google Chrome prior to 157.0.8103.78 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)","summary":"Google Chrome's ImageCapture component lacks an authorization check, so a remote attacker who already controls the renderer process can bypass web origin policy using a crafted HTML page. Chromium rates the flaw High severity.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browsers","chrome","desktop","mobile","other"],"not_affected_if":["chrome-at-or-above-157.0.8103.78"],"how_to_check":"- Check the installed Chrome version: `chrome://version` in the address bar\n- Confirm whether the version is below `157.0.8103.78`","fix":"- Google Chrome: move to `157.0.8103.78` or later","status":"open","published_at":"2026-11-11T23:17:13+00:00","first_seen_at":"2026-11-11T23:29:36+00:00","triaged_at":"2026-11-11T23:33:34+00:00","updated_at":"2026-11-11T23:33:34+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-11-11T23:33:34Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: move to `157.0.8103.78` or later","reach":"internet","title":"Google Chrome: ImageCapture missing check lets compromised renderer bypass origin policy","impact":"medium","summary":"Google Chrome's ImageCapture component lacks an authorization check, so a remote attacker who already controls the renderer process can bypass web origin policy using a crafted HTML page. Chromium rates the flaw High severity.","audience":"everyone","category":"other","nicknames":[],"who_cares":["chrome","browsers","desktop","mobile"],"confidence":0.6,"fix_status":"available","needs_auth":"no","worst_case":"Attacker bypasses web origin policy after renderer compromise, reading cross-site data","analyst_note":"","how_to_check":"- Check the installed Chrome version: `chrome://version` in the address bar\n- Confirm whether the version is below `157.0.8103.78`","plain_action":"Update Google Chrome to version 157.0.8103.78 or later: Chrome menu > Help > About Google Chrome.","product_name":"","needs_analyst":false,"not_affected_if":["chrome-at-or-above-157.0.8103.78"],"who_is_affected":"Any desktop or mobile install of Chrome older than 157.0.8103.78 is exposed when a user visits a crafted web page. The attacker must first compromise the renderer process, so this is a chained flaw rather than a single-step attack. unknown for whether Chromium-based browsers that embed Chrome's engine are included.","user_interaction":"yes","product_ecosystem":"","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000741,"input_tokens":4535,"output_tokens":576,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-126855':14A,17A '-2026':13A,16A '157.0.8103.78':66C 'allow':67C 'alreadi':36B 'attack':34B,70C 'author':29B,58C 'browser':18B 'bypass':9A,42B,78C 'check':5A,30B 'chrome':2A,19B,23B,63C 'chromium':51B,87C 'compon':26B 'compromis':7A,73C 'control':37B 'craft':48B,84C 'cve':12A,15A 'desktop':20B 'flaw':54B 'googl':1A,22B,62C 'high':55B,90C 'html':49B,85C 'imagecaptur':3A,25B,60C 'lack':27B 'let':6A 'miss':4A,57C 'mobil':21B 'origin':10A,44B,80C 'page':50B,86C 'polici':11A,45B,81C 'prior':64C 'process':40B,76C 'rate':52B 'remot':33B,69C 'render':8A,39B,75C 'secur':88C 'sever':56B,89C 'use':46B 'via':82C 'web':43B,79C","nicknames":[],"mitigations":[],"who_affected":"Any desktop or mobile install of Chrome older than 157.0.8103.78 is exposed when a user visits a crafted web page. The attacker must first compromise the renderer process, so this is a chained flaw rather than a single-step attack. unknown for whether Chromium-based browsers that embed Chrome's engine are included.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"everyone","plain_action":"Update Google Chrome to version 157.0.8103.78 or later: Chrome menu > Help > About Google Chrome.","pkeys":[],"ptokens":[],"labels":["browsers","chrome","desktop","high","mobile","other"],"campaign_type":null,"search_a":"'-126855':14A,17A '-2026':13A,16A 'bypass':9A 'check':5A 'chrome':2A 'compromis':7A 'cve':12A,15A 'googl':1A 'imagecaptur':3A 'let':6A 'miss':4A 'origin':10A 'polici':11A 'render':8A","search_b":"'alreadi':36B 'attack':34B 'author':29B 'browser':18B 'bypass':42B 'check':30B 'chrome':19B,23B 'chromium':51B 'compon':26B 'control':37B 'craft':48B 'desktop':20B 'flaw':54B 'googl':22B 'high':55B 'html':49B 'imagecaptur':25B 'lack':27B 'mobil':21B 'origin':44B 'page':50B 'polici':45B 'process':40B 'rate':52B 'remot':33B 'render':39B 'sever':56B 'use':46B 'web':43B","search_c":"'157.0.8103.78':66C 'allow':67C 'attack':70C 'author':58C 'bypass':78C 'chrome':63C 'chromium':87C 'compromis':73C 'craft':84C 'googl':62C 'high':90C 'html':85C 'imagecaptur':60C 'miss':57C 'origin':80C 'page':86C 'polici':81C 'prior':64C 'process':76C 'remot':69C 'render':75C 'secur':88C 'sever':89C 'via':82C 'web':79C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-11T23:17:13+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-126855","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126855","severity":null,"published_at":"2026-11-11T23:17:13+00:00","modified_at":"2026-11-11T23:17:13+00:00","first_seen_at":"2026-11-11T23:29:36+00:00","fetched_at":"2026-11-11T23:29:36+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}