{"id":"CVE-2026-113001","kind":"vulnerability","aliases":["CVE-2026-113001"],"related":[],"title":"Chrome: use-after-free in Workers lets a web page run code","description":"Use after free in Workers in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)","summary":"A use-after-free bug in Chrome's Workers code lets a remote attacker run arbitrary code inside the browser sandbox through a crafted HTML page. The attacker needs a victim to load that page in an affected Chrome build.","severity":"high","cvss":8.8,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"google chrome","fixed":["156.0.8078.47"],"affected":"< 156.0.8078.47","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["browsers","chrome","desktop","other","vendor"],"not_affected_if":["chrome-already-updated-to-156.0.8078.47-or-later"],"how_to_check":"Run chrome://version and compare the version with 156.0.8078.47.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:18:50+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","triaged_at":"2026-10-23T22:38:26+00:00","updated_at":"2026-10-23T22:38:26+00:00","category":"vendor","confidence":0.8,"triage":{"at":"2026-10-23T22:38:26Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Chrome: use-after-free in Workers lets a web page run code","impact":"high","summary":"A use-after-free bug in Chrome's Workers code lets a remote attacker run arbitrary code inside the browser sandbox through a crafted HTML page. The attacker needs a victim to load that page in an affected Chrome build.","category":"vendor","who_cares":["chrome","desktop","browsers"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker runs code inside the Chrome sandbox on a visited page","analyst_note":"","how_to_check":"Run chrome://version and compare the version with 156.0.8078.47.","needs_analyst":false,"not_affected_if":["chrome-already-updated-to-156.0.8078.47-or-later"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000464,"input_tokens":2939,"output_tokens":340,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113001':16A,19A '-2026':15A,18A '156.0.8078.47':78C 'affect':65B 'allow':79C 'arbitrari':43B,85C 'attack':41B,55B,82C 'browser':22B,47B 'bug':32B 'build':67B 'chrome':1A,21A,23B,34B,66B,75C 'chromium':95C 'code':13A,37B,44B,86C 'craft':51B,92C 'cve':14A,17A 'desktop':24B 'execut':84C 'free':5A,31B,70C 'googl':74C 'google':20A 'html':52B,93C 'insid':45B,87C 'let':8A,38B 'load':60B 'medium':98C 'need':56B 'page':11A,53B,62B,94C 'prior':76C 'remot':40B,81C 'run':12A,42B 'sandbox':48B,89C 'secur':96C 'sever':97C 'use':3A,29B,68C 'use-after-fre':2A,28B 'vendor':26B 'via':90C 'victim':58B 'web':10A 'worker':7A,36B,72C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:18:50+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_by":"134c704f-9b21-4f2e-91b3-4a467353bcc0","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113001","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113001","severity":null,"published_at":"2026-10-20T22:18:50+00:00","modified_at":"2026-10-21T17:11:44+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","fetched_at":"2026-10-23T22:28:59+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"}