{"id":"CVE-2026-17373","kind":"vulnerability","aliases":["CVE-2026-17373"],"related":[],"title":"IBM API Connect: authenticated users can obtain sensitive information through improper authorization","description":"IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information due to improper authorization.","summary":"IBM API Connect versions 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 do not properly check authorization. A remote attacker with a valid account can obtain sensitive information they should not be able to see.","severity":"high","cvss":7.7,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"IBM API Connect","fixed":["10.0.8.13"],"affected":">= 10.0.8.0, <= 10.0.8.12","ecosystem":"vendor"},{"name":"IBM API Connect V12","fixed":["12.1.1.3"],"affected":">= 12.1.0.0, <= 12.1.1.2","ecosystem":"vendor"}],"ecosystems":[],"tags":["authenticated","ibm-api-connect","infrastructure","self-hosted"],"not_affected_if":["fixed-version","unaffected-version","version-outside-range"],"how_to_check":"Check your API Connect version. Exposed if it is 10.0.8.0 through 10.0.8.12 or 12.1.0.0 through 12.1.1.2 (self-hosted). Fixed in 10.0.8.13 and 12.1.1.3. Any authenticated account can reach it, so review who holds accounts on the manager.","fix":"Upgrade API Connect 10.0.8.x to 10.0.8.13; upgrade 12.1.x to 12.1.1.3 (IBM Fix Central). IBM lists no workaround.","status":"open","published_at":"2026-11-07T05:18:50+00:00","first_seen_at":"2026-11-07T05:46:06+00:00","triaged_at":"2026-11-07T05:50:39+00:00","updated_at":"2026-11-07T06:10:58+00:00","category":"infrastructure","confidence":0.85,"triage":{"at":"2026-11-07T05:50:39Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"IBM API Connect: authenticated users can obtain sensitive information through improper authorization","impact":"low","summary":"IBM API Connect versions 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 do not properly check authorization. A remote attacker with a valid account can obtain sensitive information they should not be able to see.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["ibm-api-connect","self-hosted"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"authenticated attacker reads sensitive information they should not access","analyst_note":"Sources give only the NVD description; check the IBM security bulletin for the fixed version and the affected data.","how_to_check":"- Check the installed API Connect version against the affected ranges: 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2.\n- unknown for other checks; the sources do not say which endpoints or settings are involved.","plain_action":"","needs_analyst":true,"not_affected_if":["version-outside-range"],"who_is_affected":"Teams running IBM API Connect in the affected version ranges are exposed, and the attacker needs an authenticated account on the platform. Installations outside those version ranges are not affected. The sources do not describe which roles or endpoints are involved.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000691,"input_tokens":4223,"output_tokens":537,"severity_before":"high"},"analyst_status":"done","analyst_note":"Sources give only the NVD description; check the IBM security bulletin for the fixed version and the affected data.","search":"'-17373':15A,18A '-2026':14A,17A '10.0.8.0':39B,72C '10.0.8.12':41B,74C '12.1.0.0':43B,76C '12.1.1.2':45B,78C 'abl':66B 'account':57B 'allow':80C 'api':2A,20A,23A,29B,36B,70C 'attack':53B,84C 'authent':4A,26B,83C 'author':12A,50B,92C 'check':49B 'connect':3A,21A,24A,30B,37B,71C 'could':79C 'cve':13A,16A 'due':89C 'host':34B 'ibm':1A,19A,22A,28B,35B,69C 'ibm-api-connect':27B 'improp':11A,91C 'inform':9A,61B,88C 'infrastructur':31B 'obtain':7A,59B,86C 'proper':48B 'remot':52B,82C 'see':68B 'self':33B 'self-host':32B 'sensit':8A,60B,87C 'user':5A 'v12':25A 'valid':56B 'version':38B","nicknames":[],"mitigations":[],"who_affected":"Teams that run IBM API Connect themselves on 10.0.8.0 to 10.0.8.12 or 12.1.0.0 to 12.1.1.2. Any logged-in user could read sensitive information they are not authorized to see (CWE-863, incorrect authorization). Needs a valid account, no user interaction. IBM does not say which data or endpoints. Versions 10.0.8.13 / 12.1.1.3 and later can skip it.","tier":"B","verified":{"fix":{"at":"2026-11-07T06:10:58Z","by":"analyst","doc":"https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-39","run_id":2022}},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":["apiconnect","apiconnectv12","ibmapiconnect","ibmapiconnectv12"],"ptokens":["api","connect","ibm","v12"],"labels":["authenticated","high","ibmapiconnect","infrastructure","selfhosted"],"campaign_type":null,"search_a":"'-17373':15A,18A '-2026':14A,17A 'api':2A,20A,23A 'authent':4A 'author':12A 'connect':3A,21A,24A 'cve':13A,16A 'ibm':1A,19A,22A 'improp':11A 'inform':9A 'obtain':7A 'sensit':8A 'user':5A 'v12':25A","search_b":"'10.0.8.0':39B '10.0.8.12':41B '12.1.0.0':43B '12.1.1.2':45B 'abl':66B 'account':57B 'api':29B,36B 'attack':53B 'authent':26B 'author':50B 'check':49B 'connect':30B,37B 'host':34B 'ibm':28B,35B 'ibm-api-connect':27B 'inform':61B 'infrastructur':31B 'obtain':59B 'proper':48B 'remot':52B 'see':68B 'self':33B 'self-host':32B 'sensit':60B 'valid':56B 'version':38B","search_c":"'10.0.8.0':72C '10.0.8.12':74C '12.1.0.0':76C '12.1.1.2':78C 'allow':80C 'api':70C 'attack':84C 'authent':83C 'author':92C 'connect':71C 'could':79C 'due':89C 'ibm':69C 'improp':91C 'inform':88C 'obtain':86C 'remot':82C 'sensit':87C","first_public_at":"2026-11-07T05:18:50+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","cvss_by":"psirt@us.ibm.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-17373","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-17373","severity":null,"published_at":"2026-11-07T05:18:50+00:00","modified_at":"2026-11-07T05:18:50+00:00","first_seen_at":"2026-11-07T05:46:06+00:00","fetched_at":"2026-11-07T05:46:06+00:00","note":null},{"source":"analyst","external_id":"CVE-2026-17373:2022","url":"https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-41","severity":null,"published_at":"2026-11-07T06:10:58+00:00","modified_at":"2026-11-07T06:10:58+00:00","first_seen_at":"2026-11-07T06:10:58+00:00","fetched_at":"2026-11-07T06:10:58+00:00","note":"Listed (CWE-863, CVSS 7.7) in IBM bulletins -41 (fix 10.0.8.13, no workaround) and -39 (v12.1.1.3 per summary). 12.1 affected range from NVD/IBM solution text, not seen in bulletin table, so only fix verified. No exploitation or PoC checked; endpoints not named.","cites":["https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-41","https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-39"]}],"documents":[{"id":93150,"url":"https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-41","title":"IBM Security Bulletin: Multiple Vulnerabilities in IBM API Connect (10.0.8.13)","kind":"advisory","source":"analyst","publisher":null,"text":null,"published_at":null,"relation":"advisory","confidence":null,"note":null},{"id":93149,"url":"https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-39","title":"IBM Security Bulletin: Multiple Vulnerabilities in IBM API Connect (v12.1.1.3)","kind":"advisory","source":"analyst","publisher":null,"text":null,"published_at":null,"relation":"advisory","confidence":null,"note":null}],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}