{"id":"CVE-2026-17188","kind":"vulnerability","aliases":["CVE-2026-17188"],"related":[],"title":"IBM API Connect: server-side request forgery leaks sensitive information to attackers","description":"IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information due to server-side request forgery. When service definitions are imported, references to external resources are not sufficiently restricted, so the server could be made to request resources it should not access.","summary":"IBM API Connect versions 12.1.0.0 through 12.1.1.2 fetch external resources referenced in imported service definitions without enough restriction. A remote attacker with an account can make the server request internal or unintended resources and obtain sensitive information.","severity":"high","cvss":8.5,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"IBM API Connect V12 OnPrem","fixed":["12.1.1.3"],"affected":">= 12.1.0.0, <= 12.1.1.2","ecosystem":"vendor"}],"ecosystems":[],"tags":["ibm-api-connect","self-hosted","ssrf","vendor"],"not_affected_if":["auth-required","outside-affected-range"],"how_to_check":"Check installed IBM API Connect V12 OnPrem version; versions v12.1.0.0 through v12.1.1.2 are affected, v12.1.1.3 is fixed. The bulletin covers the V12 OnPrem line only.","fix":"Upgrade IBM API Connect V12 OnPrem to v12.1.1.3 (Fix Central: https://www.ibm.com/support/pages/node/7290205). IBM lists no workarounds.","status":"open","published_at":"2026-11-07T05:18:29+00:00","first_seen_at":"2026-11-07T05:46:00+00:00","triaged_at":"2026-11-07T05:50:16+00:00","updated_at":"2026-11-07T06:24:01+00:00","category":"vendor","confidence":0.85,"triage":{"at":"2026-11-07T05:50:16Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"IBM API Connect: server-side request forgery leaks sensitive information to attackers","impact":"medium","summary":"IBM API Connect versions 12.1.0.0 through 12.1.1.2 fetch external resources referenced in imported service definitions without enough restriction. A remote attacker with an account can make the server request internal or unintended resources and obtain sensitive information.","audience":"businesses","category":"vendor","nicknames":[],"who_cares":["ibm-api-connect","self-hosted"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"server requests internal resources and leaks sensitive information","analyst_note":"Check IBM's security bulletin for CVE-2026-17188 for the fixed version and any configuration conditions; the NVD entry alone does not give them.","how_to_check":"- Check the installed IBM 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":["outside-affected-range"],"who_is_affected":"Teams running IBM API Connect 12.1.0.0 through 12.1.1.2 where users can import service definitions. Exposure depends on whether authenticated users can import definitions that reference external resources. The sources do not describe further configuration conditions.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000685,"input_tokens":4233,"output_tokens":523,"severity_before":"high"},"analyst_status":"done","analyst_note":"Check IBM's security bulletin for CVE-2026-17188 for the fixed version and any configuration conditions; the NVD entry alone does not give them.","search":"'-17188':16A,19A '-2026':15A,18A '12.1.0.0':38B,74C '12.1.1.2':40B,76C 'access':119C 'account':57B 'allow':78C 'api':2A,21A,27B,35B,72C 'attack':13A,54B,82C 'authent':81C 'connect':3A,22A,28B,36B,73C 'could':77C,110C 'cve':14A,17A 'definit':48B,96C 'due':87C 'enough':50B 'extern':42B,101C 'fetch':41B 'forgeri':8A,93C 'host':31B 'ibm':1A,20A,26B,34B,71C 'ibm-api-connect':25B 'import':46B,98C 'inform':11A,70B,86C 'intern':63B 'leak':9A 'made':112C 'make':59B 'obtain':68B,84C 'onprem':24A 'refer':99C 'referenc':44B 'remot':53B,80C 'request':7A,62B,92C,114C 'resourc':43B,66B,102C,115C 'restrict':51B,106C 'self':30B 'self-host':29B 'sensit':10A,69B,85C 'server':5A,61B,90C,109C 'server-sid':4A,89C 'servic':47B,95C 'side':6A,91C 'ssrf':32B 'suffici':105C 'unintend':65B 'v12':23A 'vendor':33B 'version':37B 'without':49B","nicknames":[],"mitigations":[],"who_affected":"Teams running self-hosted IBM API Connect V12 (OnPrem) v12.1.0.0 through v12.1.1.2. An attacker needs a valid account, then imports a service definition whose external references make the server request internal or unintended resources and return sensitive data. IBM's bulletin lists only V12 OnPrem; others can skip it.","tier":"B","verified":{"fix":{"at":"2026-11-07T06:24:01Z","by":"analyst","doc":"https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-39","run_id":2066},"products":{"at":"2026-11-07T06:24:01Z","by":"analyst","doc":"https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-39","run_id":2066},"workarounds":{"at":"2026-11-07T06:24:01Z","by":"analyst","doc":"https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-39","run_id":2066},"how_to_check":{"at":"2026-11-07T06:24:01Z","by":"analyst","doc":"https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-39","run_id":2066},"who_affected":{"at":"2026-11-07T06:24:01Z","by":"analyst","doc":"https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-39","run_id":2066}},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":["apiconnectv12onprem","ibmapiconnectv12onprem"],"ptokens":["api","connect","ibm","onprem","v12"],"labels":["high","ibmapiconnect","selfhosted","ssrf","vendor"],"campaign_type":null,"search_a":"'-17188':16A,19A '-2026':15A,18A 'api':2A,21A 'attack':13A 'connect':3A,22A 'cve':14A,17A 'forgeri':8A 'ibm':1A,20A 'inform':11A 'leak':9A 'onprem':24A 'request':7A 'sensit':10A 'server':5A 'server-sid':4A 'side':6A 'v12':23A","search_b":"'12.1.0.0':38B '12.1.1.2':40B 'account':57B 'api':27B,35B 'attack':54B 'connect':28B,36B 'definit':48B 'enough':50B 'extern':42B 'fetch':41B 'host':31B 'ibm':26B,34B 'ibm-api-connect':25B 'import':46B 'inform':70B 'intern':63B 'make':59B 'obtain':68B 'referenc':44B 'remot':53B 'request':62B 'resourc':43B,66B 'restrict':51B 'self':30B 'self-host':29B 'sensit':69B 'server':61B 'servic':47B 'ssrf':32B 'unintend':65B 'vendor':33B 'version':37B 'without':49B","search_c":"'12.1.0.0':74C '12.1.1.2':76C 'access':119C 'allow':78C 'api':72C 'attack':82C 'authent':81C 'connect':73C 'could':77C,110C 'definit':96C 'due':87C 'extern':101C 'forgeri':93C 'ibm':71C 'import':98C 'inform':86C 'made':112C 'obtain':84C 'refer':99C 'remot':80C 'request':92C,114C 'resourc':102C,115C 'restrict':106C 'sensit':85C 'server':90C,109C 'server-sid':89C 'servic':95C 'side':91C 'suffici':105C","first_public_at":"2026-11-07T05:18:29+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N","cvss_by":"psirt@us.ibm.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-17188","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-17188","severity":null,"published_at":"2026-11-07T05:18:29+00:00","modified_at":"2026-11-07T05:18:29+00:00","first_seen_at":"2026-11-07T05:46:00+00:00","fetched_at":"2026-11-07T05:46:00+00:00","note":null},{"source":"analyst","external_id":"CVE-2026-17188:2066","url":"https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-39","severity":null,"published_at":"2026-11-07T06:24:01+00:00","modified_at":"2026-11-07T06:24:01+00:00","first_seen_at":"2026-11-07T06:24:01+00:00","fetched_at":"2026-11-07T06:24:01+00:00","note":"Read IBM bulletin (v12.1.1.3, 2026-11-05): CVE-2026-17188 SSRF, CVSS 8.5, authenticated; affects API Connect V12 OnPrem v12.1.0.0-v12.1.1.2; fix v12.1.1.3; workarounds: None. No exploitation info found; social search not done (B tier).","cites":["https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-39"]}],"documents":[{"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"}