{"id":"CVE-2026-17285","kind":"vulnerability","aliases":["CVE-2026-17285"],"related":[],"title":"IBM API Connect: server-side request forgery via external schema references lets authenticated users read data","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 validation of external references. When schemas are validated, references to external resources are not sufficiently restricted, which could allow the server to retrieve content it should not access.","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 restrict external references when validating schemas. A remote authenticated attacker can make the server retrieve content it should not access and obtain sensitive information.","severity":"high","cvss":7.7,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"api-connect","fixed":["10.0.8.13"],"affected":">= 10.0.8.0, <= 10.0.8.12","ecosystem":"vendor"},{"name":"api-connect-v12-onprem","fixed":["12.1.1.3"],"affected":">= 12.1.0.0, <= 12.1.1.2","ecosystem":"vendor"}],"ecosystems":[],"tags":["api-gateway","ibm-api-connect","self-hosted","ssrf","vendor"],"not_affected_if":["version-outside-range"],"how_to_check":"Check your API Connect version. Affected: 10.0.8.0 through 10.0.8.12, and 12.1.0.0 through 12.1.1.2 (IBM lists V12 OnPrem). Fixed: 10.0.8.13 and v12.1.1.3.","fix":"Upgrade to 10.0.8.13 (10.0.8 line) or v12.1.1.3 (12.1 line). IBM says no workarounds or mitigations.","status":"open","published_at":"2026-11-07T05:18:34+00:00","first_seen_at":"2026-11-07T05:46:01+00:00","triaged_at":"2026-11-07T05:50:47+00:00","updated_at":"2026-11-07T06:22:03+00:00","category":"vendor","confidence":0.85,"triage":{"at":"2026-11-07T05:50:47Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"IBM API Connect: schema validation fetches external resources, leaking sensitive information","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 do not restrict external references when validating schemas. A remote authenticated attacker can make the server retrieve content it should not access and obtain sensitive information.","audience":"businesses","category":"vendor","nicknames":[],"who_cares":["ibm-api-connect","api-gateway","self-hosted"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"Server retrieves internal content and leaks sensitive information to the attacker","analyst_note":"Check the IBM security bulletin for the fixed versions and any configuration workaround; the NVD entry alone does not state a fix.","how_to_check":"- Check the installed API Connect version against `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","plain_action":"","needs_analyst":true,"not_affected_if":["version-outside-range"],"who_is_affected":"Teams running IBM API Connect in the affected version ranges, where users with an account can submit schemas for validation. Installations outside these ranges are not listed as affected. The sources do not say which configurations expose external reference retrieval beyond the version range.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000702,"input_tokens":4266,"output_tokens":550,"severity_before":"high"},"analyst_status":"done","analyst_note":"Check the IBM security bulletin for the fixed versions and any configuration workaround; the NVD entry alone does not state a fix.","search":"'-17285':20A,23A '-2026':19A,22A '10.0.8.0':48B,84C '10.0.8.12':50B,86C '12.1.0.0':52B,88C '12.1.1.2':54B,90C 'access':76B,131C 'allow':92C,122C 'api':2A,25A,28A,33B,37B,45B,82C 'api-connect':24A 'api-connect-v12-onprem':27A 'api-gateway':32B 'attack':66B,96C 'authent':14A,65B,95C 'connect':3A,26A,29A,38B,46B,83C 'content':72B,127C 'could':91C,121C 'cve':18A,21A 'data':17A 'due':101C 'extern':10A,58B,106C,114C 'forgeri':8A 'gateway':34B 'host':41B 'ibm':1A,36B,44B,81C 'ibm-api-connect':35B 'improp':103C 'inform':80B,100C 'let':13A 'make':68B 'obtain':78B,98C 'onprem':31A 'read':16A 'refer':12A,59B,107C,112C 'remot':64B,94C 'request':7A 'resourc':115C 'restrict':57B,119C 'retriev':71B,126C 'schema':11A,62B,109C 'self':40B 'self-host':39B 'sensit':79B,99C 'server':5A,70B,124C 'server-sid':4A 'side':6A 'ssrf':42B 'suffici':118C 'user':15A 'v12':30A 'valid':61B,104C,111C 'vendor':43B 'version':47B 'via':9A","nicknames":[],"mitigations":[],"who_affected":"Teams running self-hosted IBM API Connect 10.0.8.0 to 10.0.8.12 or V12 OnPrem 12.1.0.0 to 12.1.1.2. An attacker needs a valid login, then can make the server fetch external resources while validating schemas and read content it should not reach. Installations on 10.0.8.13 or v12.1.1.3 and later can skip it.","tier":"B","verified":{"fix":{"at":"2026-11-07T06:22:03Z","by":"analyst","doc":"https://www.ibm.com/support/pages/node/7295635","run_id":2060},"products":{"at":"2026-11-07T06:22:03Z","by":"analyst","doc":"https://www.ibm.com/support/pages/node/7295635","run_id":2060},"workarounds":{"at":"2026-11-07T06:22:03Z","by":"analyst","doc":"https://www.ibm.com/support/pages/node/7295635","run_id":2060},"how_to_check":{"at":"2026-11-07T06:22:03Z","by":"analyst","doc":"https://www.ibm.com/support/pages/node/7295635","run_id":2060}},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":["apiconnect","apiconnectv12onprem"],"ptokens":["api","connect","onprem","v12"],"labels":["apigateway","high","ibmapiconnect","selfhosted","ssrf","vendor"],"campaign_type":null,"search_a":"'-17285':20A,23A '-2026':19A,22A 'api':2A,25A,28A 'api-connect':24A 'api-connect-v12-onprem':27A 'authent':14A 'connect':3A,26A,29A 'cve':18A,21A 'data':17A 'extern':10A 'forgeri':8A 'ibm':1A 'let':13A 'onprem':31A 'read':16A 'refer':12A 'request':7A 'schema':11A 'server':5A 'server-sid':4A 'side':6A 'user':15A 'v12':30A 'via':9A","search_b":"'10.0.8.0':48B '10.0.8.12':50B '12.1.0.0':52B '12.1.1.2':54B 'access':76B 'api':33B,37B,45B 'api-gateway':32B 'attack':66B 'authent':65B 'connect':38B,46B 'content':72B 'extern':58B 'gateway':34B 'host':41B 'ibm':36B,44B 'ibm-api-connect':35B 'inform':80B 'make':68B 'obtain':78B 'refer':59B 'remot':64B 'restrict':57B 'retriev':71B 'schema':62B 'self':40B 'self-host':39B 'sensit':79B 'server':70B 'ssrf':42B 'valid':61B 'vendor':43B 'version':47B","search_c":"'10.0.8.0':84C '10.0.8.12':86C '12.1.0.0':88C '12.1.1.2':90C 'access':131C 'allow':92C,122C 'api':82C 'attack':96C 'authent':95C 'connect':83C 'content':127C 'could':91C,121C 'due':101C 'extern':106C,114C 'ibm':81C 'improp':103C 'inform':100C 'obtain':98C 'refer':107C,112C 'remot':94C 'resourc':115C 'restrict':119C 'retriev':126C 'schema':109C 'sensit':99C 'server':124C 'suffici':118C 'valid':104C,111C","first_public_at":"2026-11-07T05:18:34+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-2026-17285","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-17285","severity":null,"published_at":"2026-11-07T05:18:34+00:00","modified_at":"2026-11-07T05:18:35+00:00","first_seen_at":"2026-11-07T05:46:01+00:00","fetched_at":"2026-11-07T05:46:01+00:00","note":null},{"source":"analyst","external_id":"CVE-2026-17285:2060","url":"https://www.ibm.com/support/pages/node/7295637","severity":null,"published_at":"2026-11-07T06:22:03+00:00","modified_at":"2026-11-07T06:22:03+00:00","first_seen_at":"2026-11-07T06:22:03+00:00","fetched_at":"2026-11-07T06:22:03+00:00","note":"Read both IBM bulletins (node/7295637 for 10.0.8.x, node/7295635 for 12.1.x): fixed in 10.0.8.13 and v12.1.1.3, workarounds 'None'. Bulletin 7295635 lists V12 OnPrem; not stated whether other V12 deployment types are affected. No exploitation or PoC checked beyond bulletins.","cites":["https://www.ibm.com/support/pages/node/7295637","https://www.ibm.com/support/pages/node/7295635"]}],"documents":[{"id":93164,"url":"https://www.ibm.com/support/pages/node/7295637","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":92834,"url":"https://www.ibm.com/support/pages/node/7295635","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"}