{"id":"CVE-2026-125298","kind":"vulnerability","aliases":["CVE-2026-125298"],"related":[],"title":"AsiaInfo BSS: forged JWT tokens grant privileged actions without authentication","description":"AsiaInfo Business Support System (BSS) 9.2.0 through 9.2.40 does not correctly verify cryptographic signatures for JSON Web Tokens (JWT). A remote, unauthenticated attacker could forge a well-formed JWT without a valid signature and use it to execute privileged actions. Fixed in 9.2.41.","summary":"AsiaInfo Business Support System versions 9.2.0 through 9.2.40 do not properly verify the signatures on JSON Web Tokens. A remote attacker with no account can forge a token and perform privileged actions.","severity":"critical","cvss":9.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["asiainfo-bss","jwt","other","telecom"],"not_affected_if":["version-outside-9.2.0-to-9.2.40"],"how_to_check":"- Check the installed AsiaInfo BSS version; versions `9.2.0` through `9.2.40` are affected","fix":"- Upgrade AsiaInfo BSS to `9.2.41`","status":"open","published_at":"2026-11-10T22:18:30+00:00","first_seen_at":"2026-11-10T22:27:29+00:00","triaged_at":"2026-11-10T22:28:42+00:00","updated_at":"2026-11-10T22:28:42+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-11-10T22:28:42Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade AsiaInfo BSS to `9.2.41`","reach":"internet","title":"AsiaInfo BSS: forged JWT tokens grant privileged actions without authentication","impact":"high","summary":"AsiaInfo Business Support System versions 9.2.0 through 9.2.40 do not properly verify the signatures on JSON Web Tokens. A remote attacker with no account can forge a token and perform privileged actions.","audience":"businesses","category":"other","nicknames":[],"who_cares":["asiainfo-bss","telecom","jwt"],"confidence":0.6,"fix_status":"available","needs_auth":"no","worst_case":"Remote attacker forges tokens and performs privileged administrative actions","analyst_note":"Confirm the affected deployment exposure and whether the vendor advisory describes the JWT verification flaw in more detail; check NVD entry https://nvd.nist.gov/vuln/detail/CVE-2026-125298.","how_to_check":"- Check the installed AsiaInfo BSS version; versions `9.2.0` through `9.2.40` are affected\n- unknown for other checks, the sources do not say","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["version-outside-9.2.0-to-9.2.40"],"who_is_affected":"Organizations running AsiaInfo Business Support System versions 9.2.0 through 9.2.40 are exposed. The sources do not describe the deployment conditions beyond the version range, so whether internet-facing instances are at risk is unknown.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000745,"input_tokens":4581,"output_tokens":573,"severity_before":"critical"},"analyst_status":null,"analyst_note":null,"search":"'-125298':13A,16A '-2026':12A,15A '9.2.0':28B,60C '9.2.40':30B,62C '9.2.41':98C 'account':46B 'action':8A,54B,95C 'asiainfo':1A,18B,23B,55C 'asiainfo-bss':17B 'attack':43B,77C 'authent':10A 'bss':2A,19B,59C 'busi':24B,56C 'correct':65C 'could':78C 'cryptograph':67C 'cve':11A,14A 'execut':93C 'fix':96C 'forg':3A,48B,79C 'form':83C 'grant':6A 'json':38B,70C 'jwt':4A,20B,73C,84C 'perform':52B 'privileg':7A,53B,94C 'proper':33B 'remot':42B,75C 'signatur':36B,68C,88C 'support':25B,57C 'system':26B,58C 'telecom':22B 'token':5A,40B,50B,72C 'unauthent':76C 'use':90C 'valid':87C 'verifi':34B,66C 'version':27B 'web':39B,71C 'well':82C 'well-form':81C 'without':9A,85C","nicknames":[],"mitigations":[],"who_affected":"Organizations running AsiaInfo Business Support System versions 9.2.0 through 9.2.40 are exposed. The sources do not describe the deployment conditions beyond the version range, so whether internet-facing instances are at risk is unknown.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["asiainfobss","critical","jwt","other","telecom"],"campaign_type":null,"search_a":"'-125298':13A,16A '-2026':12A,15A 'action':8A 'asiainfo':1A 'authent':10A 'bss':2A 'cve':11A,14A 'forg':3A 'grant':6A 'jwt':4A 'privileg':7A 'token':5A 'without':9A","search_b":"'9.2.0':28B '9.2.40':30B 'account':46B 'action':54B 'asiainfo':18B,23B 'asiainfo-bss':17B 'attack':43B 'bss':19B 'busi':24B 'forg':48B 'json':38B 'jwt':20B 'perform':52B 'privileg':53B 'proper':33B 'remot':42B 'signatur':36B 'support':25B 'system':26B 'telecom':22B 'token':40B,50B 'verifi':34B 'version':27B 'web':39B","search_c":"'9.2.0':60C '9.2.40':62C '9.2.41':98C 'action':95C 'asiainfo':55C 'attack':77C 'bss':59C 'busi':56C 'correct':65C 'could':78C 'cryptograph':67C 'execut':93C 'fix':96C 'forg':79C 'form':83C 'json':70C 'jwt':73C,84C 'privileg':94C 'remot':75C 'signatur':68C,88C 'support':57C 'system':58C 'token':72C 'unauthent':76C 'use':90C 'valid':87C 'verifi':66C 'web':71C 'well':82C 'well-form':81C 'without':85C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T22:18:30+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","cvss_by":"9119a7d8-5eab-497f-8521-727c672e3725","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-125298","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-125298","severity":null,"published_at":"2026-11-10T22:18:30+00:00","modified_at":"2026-11-10T22:18:30+00:00","first_seen_at":"2026-11-10T22:27:29+00:00","fetched_at":"2026-11-10T22:27:29+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"}