{"id":"CVE-2026-17049","kind":"vulnerability","aliases":["CVE-2026-17049"],"related":[],"title":"IBM API Connect: authorization bypass lets logged-in users read and change documents","description":"IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information and modify arbitrary documents due to authorization bypass through user-controlled keys.","summary":"IBM API Connect versions 12.1.0.0 through 12.1.1.2 let a remote authenticated attacker bypass authorization through user-controlled keys. The attacker can obtain sensitive information and modify arbitrary documents.","severity":"critical","cvss":9.9,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"API Connect","fixed":["12.1.1.3"],"affected":">= 12.1.0.0, <= 12.1.1.2","ecosystem":"vendor"}],"ecosystems":[],"tags":["api-gateway","authenticated","ibm-api-connect","infrastructure"],"not_affected_if":["unaffected-version"],"how_to_check":"Check your IBM API Connect V12 version (management, gateway, portal, analytics subsystems). Versions 12.1.0.0 through 12.1.1.2 are affected; v12.1.1.3 is the fixed release. On Kubernetes/OpenShift check the APIConnectCluster operand version; on VMware/OVA check the appliance version.","fix":"Upgrade IBM API Connect to v12.1.1.3 (IBM Fix Central)","status":"open","published_at":"2026-11-07T05:18:23+00:00","first_seen_at":"2026-11-07T05:45:58+00:00","triaged_at":"2026-11-07T05:48:15+00:00","updated_at":"2026-11-07T06:00:23+00:00","category":"infrastructure","confidence":0.7,"triage":{"at":"2026-11-07T05:48:15Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"IBM API Connect: authorization bypass lets logged-in users read and change documents","impact":"high","summary":"IBM API Connect versions 12.1.0.0 through 12.1.1.2 let a remote authenticated attacker bypass authorization through user-controlled keys. The attacker can obtain sensitive information and modify arbitrary documents.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["ibm-api-connect","api-gateway"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"authenticated user reads sensitive data and modifies arbitrary documents","analyst_note":"Confirm the fixed version and any IBM bulletin for CVE-2026-17049; the sources give only the NVD description.","how_to_check":"- Check the installed IBM API Connect version against the affected range `12.1.0.0` to `12.1.1.2`\n- unknown","plain_action":"","needs_analyst":true,"not_affected_if":["unaffected-version"],"who_is_affected":"Organizations running IBM API Connect in the affected version range, where a user with valid credentials can reach the API management interface. The sources do not say which deployment configurations are exposed. Teams on other versions can skip it.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000666,"input_tokens":4211,"output_tokens":489,"severity_before":"critical"},"analyst_status":"done","analyst_note":"Confirm the fixed version and any IBM bulletin for CVE-2026-17049; the sources give only the NVD description.","search":"'-17049':17A,20A '-2026':16A,19A '12.1.0.0':36B,64C '12.1.1.2':38B,66C 'allow':68C 'api':2A,21A,24B,29B,33B,62C 'api-gateway':23B 'arbitrari':59B,79C 'attack':43B,52B,72C 'authent':26B,42B,71C 'author':4A,45B,83C 'bypass':5A,44B,84C 'chang':13A 'connect':3A,22A,30B,34B,63C 'control':49B,88C 'could':67C 'cve':15A,18A 'document':14A,60B,80C 'due':81C 'gateway':25B 'ibm':1A,28B,32B,61C 'ibm-api-connect':27B 'inform':56B,76C 'infrastructur':31B 'key':50B,89C 'let':6A,39B 'log':8A 'logged-in':7A 'modifi':58B,78C 'obtain':54B,74C 'read':11A 'remot':41B,70C 'sensit':55B,75C 'user':10A,48B,87C 'user-control':47B,86C 'version':35B","nicknames":[],"mitigations":[],"who_affected":"Teams running IBM API Connect 12.1.0.0 through 12.1.1.2 where any user with valid credentials can reach the API Connect management interface. The flaw lets such a user read sensitive data and modify arbitrary documents by manipulating user-controlled keys. Teams on v12.1.1.3 or later can skip it; I did not confirm whether the V10 line is affected.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":["apiconnect","connect"],"ptokens":["api","connect"],"labels":["apigateway","authenticated","critical","ibmapiconnect","infrastructure"],"campaign_type":null,"search_a":"'-17049':17A,20A '-2026':16A,19A 'api':2A,21A 'author':4A 'bypass':5A 'chang':13A 'connect':3A,22A 'cve':15A,18A 'document':14A 'ibm':1A 'let':6A 'log':8A 'logged-in':7A 'read':11A 'user':10A","search_b":"'12.1.0.0':36B '12.1.1.2':38B 'api':24B,29B,33B 'api-gateway':23B 'arbitrari':59B 'attack':43B,52B 'authent':26B,42B 'author':45B 'bypass':44B 'connect':30B,34B 'control':49B 'document':60B 'gateway':25B 'ibm':28B,32B 'ibm-api-connect':27B 'inform':56B 'infrastructur':31B 'key':50B 'let':39B 'modifi':58B 'obtain':54B 'remot':41B 'sensit':55B 'user':48B 'user-control':47B 'version':35B","search_c":"'12.1.0.0':64C '12.1.1.2':66C 'allow':68C 'api':62C 'arbitrari':79C 'attack':72C 'authent':71C 'author':83C 'bypass':84C 'connect':63C 'control':88C 'could':67C 'document':80C 'due':81C 'ibm':61C 'inform':76C 'key':89C 'modifi':78C 'obtain':74C 'remot':70C 'sensit':75C 'user':87C 'user-control':86C","first_public_at":"2026-11-07T05:18:23+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","cvss_by":"psirt@us.ibm.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-17049","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-17049","severity":null,"published_at":"2026-11-07T05:18:23+00:00","modified_at":"2026-11-07T05:18:23+00:00","first_seen_at":"2026-11-07T05:45:58+00:00","fetched_at":"2026-11-07T05:45:58+00:00","note":null},{"source":"analyst","external_id":"CVE-2026-17049:1995","url":"https://www.ibm.com/support/pages/node/7295635","severity":null,"published_at":"2026-11-07T06:00:23+00:00","modified_at":"2026-11-07T06:00:23+00:00","first_seen_at":"2026-11-07T06:00:23+00:00","fetched_at":"2026-11-07T06:00:23+00:00","note":"NVD/OpenCVE: affected 12.1.0.0-12.1.1.2, CNA solution upgrade to v12.1.1.3. IBM bulletin 7295635 (v12.1.1.3 fixes, 'Authorization Bypass Through User-Controlled Key' class) fetched but truncated before CVE-2026-17049 appeared, so I could not confirm the CVE inside IBM's list; fix taken from OpenCVE vendor solution plus IBM release page 7290205. Nothing marked verified. No exploitation or PoC found (Feedly says none).","cites":["https://www.ibm.com/support/pages/node/7295635","https://www.ibm.com/support/pages/node/7290205","https://app.opencve.io/cve/CVE-2026-17049"]}],"documents":[{"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":"mentions","confidence":null,"note":null},{"id":93155,"url":"https://www.ibm.com/support/pages/node/7290205","title":"IBM API Connect v12.1.1.3 is now available","kind":"release","source":"analyst","publisher":null,"text":null,"published_at":null,"relation":"fix","confidence":null,"note":null},{"id":93219,"url":"https://app.opencve.io/cve/CVE-2026-17049","title":"OpenCVE: CVE-2026-17049","kind":"other","source":"analyst","publisher":null,"text":null,"published_at":null,"relation":"describes","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"}