{"id":"CVE-2026-35112","kind":"vulnerability","aliases":["CVE-2026-35112"],"related":[],"title":"HCL AION: missing COEP header weakens cross-origin isolation","description":"HCL AION is affected by a vulnerability where the Cross-Origin-Embedder-Policy (COEP) header was missing or insecure, so embedded cross-origin resources were not required to explicitly grant permission. This weakens cross-origin isolation, potentially resulting in unintended behavior or security impact under certain conditions.","summary":"HCL AION does not send a correct Cross-Origin-Embedder-Policy header, so embedded cross-origin resources are not required to opt in. This weakens browser cross-origin isolation and may lead to unintended behavior or security impact under certain conditions.","severity":"medium","cvss":4.2,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["hcl-aion","other"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-06T14:17:12+00:00","first_seen_at":"2026-11-06T14:42:11+00:00","triaged_at":"2026-11-06T14:43:46+00:00","updated_at":"2026-11-06T14:43:46+00:00","category":"other","confidence":0.4,"triage":{"at":"2026-11-06T14:43:46Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"unknown","title":"HCL AION: missing COEP header weakens cross-origin isolation","impact":"low","summary":"HCL AION does not send a correct Cross-Origin-Embedder-Policy header, so embedded cross-origin resources are not required to opt in. This weakens browser cross-origin isolation and may lead to unintended behavior or security impact under certain conditions.","audience":"businesses","category":"other","nicknames":[],"who_cares":["hcl-aion"],"confidence":0.4,"fix_status":"unknown","needs_auth":"unknown","worst_case":"unknown; weakened cross-origin isolation in the browser","analyst_note":"Check the HCL AION advisory and NVD entry for affected versions, the fixed version and whether the header issue applies by default.","how_to_check":"unknown","plain_action":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000609,"input_tokens":4240,"output_tokens":369,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A '-35112':13A,16A 'affect':67C 'aion':2A,19B,21B,65C 'behavior':57B,107C 'browser':47B 'certain':62B,112C 'coep':4A,78C 'condit':63B,113C 'correct':26B 'cross':8A,28B,36B,49B,74C,87C,100C 'cross-origin':7A,35B,48B,86C,99C 'cross-origin-embedder-polici':27B,73C 'cve':11A,14A 'embed':34B,85C 'embedd':30B,76C 'explicit':94C 'grant':95C 'hcl':1A,18B,20B,64C 'hcl-aion':17B 'header':5A,32B,79C 'impact':60B,110C 'insecur':83C 'isol':10A,51B,102C 'lead':54B 'may':53B 'miss':3A,81C 'opt':43B 'origin':9A,29B,37B,50B,75C,88C,101C 'permiss':96C 'polici':31B,77C 'potenti':103C 'requir':41B,92C 'resourc':38B,89C 'result':104C 'secur':59B,109C 'send':24B 'unintend':56B,106C 'vulner':70C 'weaken':6A,46B,98C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["hclaion","medium","other"],"campaign_type":null,"search_a":"'-2026':12A,15A '-35112':13A,16A 'aion':2A 'coep':4A 'cross':8A 'cross-origin':7A 'cve':11A,14A 'hcl':1A 'header':5A 'isol':10A 'miss':3A 'origin':9A 'weaken':6A","search_b":"'aion':19B,21B 'behavior':57B 'browser':47B 'certain':62B 'condit':63B 'correct':26B 'cross':28B,36B,49B 'cross-origin':35B,48B 'cross-origin-embedder-polici':27B 'embed':34B 'embedd':30B 'hcl':18B,20B 'hcl-aion':17B 'header':32B 'impact':60B 'isol':51B 'lead':54B 'may':53B 'opt':43B 'origin':29B,37B,50B 'polici':31B 'requir':41B 'resourc':38B 'secur':59B 'send':24B 'unintend':56B 'weaken':46B","search_c":"'affect':67C 'aion':65C 'behavior':107C 'certain':112C 'coep':78C 'condit':113C 'cross':74C,87C,100C 'cross-origin':86C,99C 'cross-origin-embedder-polici':73C 'embed':85C 'embedd':76C 'explicit':94C 'grant':95C 'hcl':64C 'header':79C 'impact':110C 'insecur':83C 'isol':102C 'miss':81C 'origin':75C,88C,101C 'permiss':96C 'polici':77C 'potenti':103C 'requir':92C 'resourc':89C 'result':104C 'secur':109C 'unintend':106C 'vulner':70C 'weaken':98C","first_public_at":"2026-11-06T14:17:12+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","cvss_by":"psirt@hcl.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-35112","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35112","severity":null,"published_at":"2026-11-06T14:17:12+00:00","modified_at":"2026-11-06T14:17:12+00:00","first_seen_at":"2026-11-06T14:42:11+00:00","fetched_at":"2026-11-06T14:42:11+00:00","note":null}],"documents":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}