{"id":"CVE-2026-17374","kind":"vulnerability","aliases":["CVE-2026-17374"],"related":[],"title":"IBM API Connect: broken authorization leaks sensitive data to logged-in users","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 broken object-level 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 fail to check object-level permissions. A remote attacker with a valid account can read sensitive information belonging to other users or objects.","severity":"high","cvss":7.7,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["api-gateway","ibm-api-connect","infrastructure","self-hosted"],"not_affected_if":["unknown"],"how_to_check":"- Confirm the installed API Connect version against the affected ranges (10.0.8.0 through 10.0.8.12, 12.1.0.0 through 12.1.1.2)","fix":"- Move to a release above the affected ranges; the exact fixed version is unknown from the sources","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":"2026-11-07T05:50:39+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-11-07T05:50:39Z","model":"claude-haiku-5-5","output":{"fix":"- Move to a release above the affected ranges; the exact fixed version is unknown from the sources","reach":"network","title":"IBM API Connect: broken authorization leaks sensitive data to logged-in users","impact":"medium","summary":"IBM API Connect versions 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 fail to check object-level permissions. A remote attacker with a valid account can read sensitive information belonging to other users or objects.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["ibm-api-connect","api-gateway","self-hosted"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"authenticated user reads other users' sensitive data","analyst_note":"Find the IBM security bulletin for CVE-2026-17374 to confirm the fixed versions and affected endpoints.","how_to_check":"- Confirm the installed API Connect version against the affected ranges (10.0.8.0 through 10.0.8.12, 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":["unknown"],"who_is_affected":"Organizations running IBM API Connect 10.0.8.x up to 10.0.8.12 or 12.1.x up to 12.1.1.2 are exposed. An attacker needs a valid account on the platform to exploit it, so the risk is highest where many users or partners hold accounts. unknown for which deployment modes or configurations are required.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000726,"input_tokens":4226,"output_tokens":607,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-17374':16A,19A '-2026':15A,18A '10.0.8.0':35B,69C '10.0.8.12':37B,71C '12.1.0.0':39B,73C '12.1.1.2':41B,75C 'account':55B 'allow':77C 'api':2A,21B,25B,32B,67C 'api-gateway':20B 'attack':51B,81C 'authent':80C 'author':5A,92C 'belong':60B 'broken':4A,88C 'check':44B 'connect':3A,26B,33B,68C 'could':76C 'cve':14A,17A 'data':8A 'due':86C 'fail':42B 'gateway':22B 'host':30B 'ibm':1A,24B,31B,66C 'ibm-api-connect':23B 'inform':59B,85C 'infrastructur':27B 'leak':6A 'level':47B,91C 'log':11A 'logged-in':10A 'object':46B,65B,90C 'object-level':45B,89C 'obtain':83C 'permiss':48B 'read':57B 'remot':50B,79C 'self':29B 'self-host':28B 'sensit':7A,58B,84C 'user':13A,63B 'valid':54B 'version':34B","nicknames":[],"mitigations":[],"who_affected":"Organizations running IBM API Connect 10.0.8.x up to 10.0.8.12 or 12.1.x up to 12.1.1.2 are exposed. An attacker needs a valid account on the platform to exploit it, so the risk is highest where many users or partners hold accounts. unknown for which deployment modes or configurations are required.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["apigateway","high","ibmapiconnect","infrastructure","selfhosted"],"campaign_type":null,"search_a":"'-17374':16A,19A '-2026':15A,18A 'api':2A 'author':5A 'broken':4A 'connect':3A 'cve':14A,17A 'data':8A 'ibm':1A 'leak':6A 'log':11A 'logged-in':10A 'sensit':7A 'user':13A","search_b":"'10.0.8.0':35B '10.0.8.12':37B '12.1.0.0':39B '12.1.1.2':41B 'account':55B 'api':21B,25B,32B 'api-gateway':20B 'attack':51B 'belong':60B 'check':44B 'connect':26B,33B 'fail':42B 'gateway':22B 'host':30B 'ibm':24B,31B 'ibm-api-connect':23B 'inform':59B 'infrastructur':27B 'level':47B 'object':46B,65B 'object-level':45B 'permiss':48B 'read':57B 'remot':50B 'self':29B 'self-host':28B 'sensit':58B 'user':63B 'valid':54B 'version':34B","search_c":"'10.0.8.0':69C '10.0.8.12':71C '12.1.0.0':73C '12.1.1.2':75C 'allow':77C 'api':67C 'attack':81C 'authent':80C 'author':92C 'broken':88C 'connect':68C 'could':76C 'due':86C 'ibm':66C 'inform':85C 'level':91C 'object':90C 'object-level':89C 'obtain':83C 'remot':79C 'sensit':84C","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-2026-17374","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-17374","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}],"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"}