{"id":"CVE-2026-113255","kind":"vulnerability","aliases":["CVE-2026-113255"],"related":[],"title":"Chrome for Android: use-after-free in CustomTabs lets a web page run code","description":"Use after free in CustomTabs in Google Chrome on on Android 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":"Google Chrome on Android before 156.0.8078.47 has a use-after-free bug in CustomTabs. A remote attacker who gets a user to open a crafted HTML page can execute arbitrary code inside the browser sandbox.","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":["android","chrome","other","package"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Open Chrome, go to chrome://version and compare the version to 156.0.8078.47.","fix":"Update Google Chrome on Android to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:19+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:35:43+00:00","updated_at":"2026-10-23T22:35:43+00:00","category":"package","confidence":0.8,"triage":{"at":"2026-10-23T22:35:43Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome on Android to 156.0.8078.47 or later.","reach":"internet","title":"Chrome for Android: use-after-free in CustomTabs lets a web page run code","impact":"medium","summary":"Google Chrome on Android before 156.0.8078.47 has a use-after-free bug in CustomTabs. A remote attacker who gets a user to open a crafted HTML page can execute arbitrary code inside the browser sandbox.","category":"package","who_cares":["chrome","android"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker runs code inside the browser sandbox after the victim visits a page","analyst_note":"","how_to_check":"Open Chrome, go to chrome://version and compare the version to 156.0.8078.47.","needs_analyst":false,"not_affected_if":["already-on-156.0.8078.47-or-later"],"user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000469,"input_tokens":2940,"output_tokens":349,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113255':18A,21A '-2026':17A,20A '156.0.8078.47':33B,77C 'allow':78C 'android':3A,24B,31B,74C 'arbitrari':58B,84C 'attack':45B,81C 'browser':62B 'bug':40B 'chrome':1A,23A,25B,29B,71C 'chromium':94C 'code':15A,59B,85C 'craft':53B,91C 'customtab':9A,42B,68C 'cve':16A,19A 'execut':57B,83C 'free':7A,39B,66C 'get':47B 'googl':28B,70C 'google':22A 'html':54B,92C 'insid':60B,86C 'let':10A 'medium':97C 'open':51B 'packag':27B 'page':13A,55B,93C 'prior':75C 'remot':44B,80C 'run':14A 'sandbox':63B,88C 'secur':95C 'sever':96C 'use':5A,37B,64C 'use-after-fre':4A,36B 'user':49B 'via':89C 'web':12A","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:19+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-2026-113255","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113255","severity":null,"published_at":"2026-10-20T22:19:19+00:00","modified_at":"2026-10-22T12:03:40+00:00","first_seen_at":"2026-10-23T21:57:24+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"}