{"id":"CVE-2026-17306","kind":"vulnerability","aliases":["CVE-2026-17306"],"related":[],"title":"IBM API Connect: server-side request forgery leaks internal network data","description":"IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote attacker to obtain sensitive information from internal network resources due to server-side request forgery.","summary":"IBM API Connect versions 12.1.0.0 through 12.1.1.2 contain a server-side request forgery flaw. A remote attacker can make the server send requests to internal network resources and obtain the sensitive information returned.","severity":"medium","cvss":5.8,"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":"- Check the installed API Connect version against the affected range `12.1.0.0` through `12.1.1.2`","fix":null,"status":"open","published_at":"2026-11-07T05:18:38+00:00","first_seen_at":"2026-11-07T05:46:02+00:00","triaged_at":"2026-11-07T05:52:50+00:00","updated_at":"2026-11-07T05:52:50+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-11-07T05:52:50Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"internet","title":"IBM API Connect: server-side request forgery leaks internal network data","impact":"medium","summary":"IBM API Connect versions 12.1.0.0 through 12.1.1.2 contain a server-side request forgery flaw. A remote attacker can make the server send requests to internal network resources and obtain the sensitive information returned.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["ibm-api-connect","api-gateway","self-hosted"],"confidence":0.6,"fix_status":"unknown","needs_auth":"unknown","worst_case":"Attacker reads sensitive data from internal network resources","analyst_note":"Find IBM's security bulletin for CVE-2026-17306 to confirm the fixed version, required setup and whether the SSRF needs authentication.","how_to_check":"- Check the installed API Connect version against the affected range `12.1.0.0` through `12.1.1.2`\n- unknown for other checks: the sources do not say","plain_action":"","needs_analyst":true,"not_affected_if":["unknown"],"who_is_affected":"Organizations running IBM API Connect 12.1.0.0 through 12.1.1.2 where the gateway or API layer can be made to fetch URLs supplied by outside callers. The sources do not say which configurations or features make the flaw reachable, so treat any internet-facing deployment in the affected range as in scope until IBM's advisory is checked.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000691,"input_tokens":4194,"output_tokens":544,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-17306':15A,18A '-2026':14A,17A '12.1.0.0':34B,67C '12.1.1.2':36B,69C 'allow':71C 'api':2A,20B,24B,31B,65C 'api-gateway':19B 'attack':47B,74C 'connect':3A,25B,32B,66C 'contain':37B 'could':70C 'cve':13A,16A 'data':12A 'due':83C 'flaw':44B 'forgeri':8A,43B,89C 'gateway':21B 'host':29B 'ibm':1A,23B,30B,64C 'ibm-api-connect':22B 'inform':62B,78C 'infrastructur':26B 'intern':10A,55B,80C 'leak':9A 'make':49B 'network':11A,56B,81C 'obtain':59B,76C 'remot':46B,73C 'request':7A,42B,53B,88C 'resourc':57B,82C 'return':63B 'self':28B 'self-host':27B 'send':52B 'sensit':61B,77C 'server':5A,40B,51B,86C 'server-sid':4A,39B,85C 'side':6A,41B,87C 'version':33B","nicknames":[],"mitigations":[],"who_affected":"Organizations running IBM API Connect 12.1.0.0 through 12.1.1.2 where the gateway or API layer can be made to fetch URLs supplied by outside callers. The sources do not say which configurations or features make the flaw reachable, so treat any internet-facing deployment in the affected range as in scope until IBM's advisory is checked.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["apigateway","ibmapiconnect","infrastructure","medium","selfhosted"],"campaign_type":null,"search_a":"'-17306':15A,18A '-2026':14A,17A 'api':2A 'connect':3A 'cve':13A,16A 'data':12A 'forgeri':8A 'ibm':1A 'intern':10A 'leak':9A 'network':11A 'request':7A 'server':5A 'server-sid':4A 'side':6A","search_b":"'12.1.0.0':34B '12.1.1.2':36B 'api':20B,24B,31B 'api-gateway':19B 'attack':47B 'connect':25B,32B 'contain':37B 'flaw':44B 'forgeri':43B 'gateway':21B 'host':29B 'ibm':23B,30B 'ibm-api-connect':22B 'inform':62B 'infrastructur':26B 'intern':55B 'make':49B 'network':56B 'obtain':59B 'remot':46B 'request':42B,53B 'resourc':57B 'return':63B 'self':28B 'self-host':27B 'send':52B 'sensit':61B 'server':40B,51B 'server-sid':39B 'side':41B 'version':33B","search_c":"'12.1.0.0':67C '12.1.1.2':69C 'allow':71C 'api':65C 'attack':74C 'connect':66C 'could':70C 'due':83C 'forgeri':89C 'ibm':64C 'inform':78C 'intern':80C 'network':81C 'obtain':76C 'remot':73C 'request':88C 'resourc':82C 'sensit':77C 'server':86C 'server-sid':85C 'side':87C","first_public_at":"2026-11-07T05:18:38+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","cvss_by":"psirt@us.ibm.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-17306","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-17306","severity":null,"published_at":"2026-11-07T05:18:38+00:00","modified_at":"2026-11-07T05:18:38+00:00","first_seen_at":"2026-11-07T05:46:02+00:00","fetched_at":"2026-11-07T05:46:02+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"}