{"id":"CVE-2026-16880","kind":"vulnerability","aliases":["CVE-2026-16880"],"related":[],"title":"IBM API Connect 10.0.8.0-10.0.8.12 and 12.1.0.0-12.1.1.2: authenticated path traversal exposes sensitive information; fixed in 10.0.8.13 and 12.1.1.3","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 path traversal.","summary":"IBM API Connect versions 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 contain a path traversal flaw. A logged-in remote attacker can use it to obtain sensitive information.","severity":"high","cvss":8.5,"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","fixed":["12.1.1.3"],"affected":"12.1.0.0 - 12.1.1.2","ecosystem":"vendor"}],"ecosystems":[],"tags":["api-gateway","ibm-api-connect","infrastructure","self-hosted"],"not_affected_if":["unaffected-version"],"how_to_check":"Check the installed API Connect version: affected are 10.0.8.0 to 10.0.8.12 and 12.1.0.0 to 12.1.1.2. Fixed in 10.0.8.13 and 12.1.1.3. IBM does not name the vulnerable endpoint.","fix":"Upgrade to API Connect 10.0.8.13 (10.0.8.x) or 12.1.1.3 (12.1.x) via IBM Fix Central. No workaround confirmed.","status":"open","published_at":"2026-11-07T05:18:22+00:00","first_seen_at":"2026-11-07T05:45:57+00:00","triaged_at":"2026-11-07T05:50:22+00:00","updated_at":"2026-11-07T06:25:14+00:00","category":"infrastructure","confidence":0.8,"triage":{"at":"2026-11-07T05:50:22Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"IBM API Connect: path traversal lets an authenticated user read sensitive files","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 contain a path traversal flaw. A logged-in remote attacker can use it to obtain sensitive information.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["ibm-api-connect","api-gateway"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"attacker reads sensitive information from the server","analyst_note":"Find IBM's security bulletin for CVE-2026-16880 to confirm the fixed versions and the affected endpoint or setting.","how_to_check":"- Confirm the installed API Connect version against the affected ranges 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":["unaffected-version"],"who_is_affected":"Organisations running IBM API Connect in the affected version ranges, where remote users hold valid accounts. The sources do not describe the specific endpoint or configuration involved. unknown for further detail.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.00068,"input_tokens":4222,"output_tokens":515,"severity_before":"high"},"analyst_status":"done","analyst_note":"Find IBM's security bulletin for CVE-2026-16880 to confirm the fixed versions and the affected endpoint or setting.","search":"'-16880':22A,25A '-2026':21A,24A '10.0.8.0':4A,46B,74C '10.0.8.12':5A,48B,76C '10.0.8.13':17A '12.1.0.0':7A,50B,78C '12.1.1.2':8A,52B,80C '12.1.1.3':19A 'allow':82C 'api':2A,26A,28A,32B,36B,43B,72C 'api-gateway':31B 'attack':63B,86C 'authent':9A,85C 'connect':3A,27A,29A,37B,44B,73C 'contain':53B 'could':81C 'cve':20A,23A 'due':91C 'expos':12A 'fix':15A 'flaw':57B 'gateway':33B 'host':41B 'ibm':1A,35B,42B,71C 'ibm-api-connect':34B 'inform':14A,70B,90C 'infrastructur':38B 'log':60B 'logged-in':59B 'obtain':68B,88C 'path':10A,55B,93C 'remot':62B,84C 'self':40B 'self-host':39B 'sensit':13A,69B,89C 'travers':11A,56B,94C 'use':65B 'v12':30A 'version':45B","nicknames":[],"mitigations":[],"who_affected":"Organisations running IBM API Connect in the affected version ranges, where remote users hold valid accounts. The sources do not describe the specific endpoint or configuration involved. unknown for further detail.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":["apiconnect","apiconnectv12","connect","connectv12"],"ptokens":["api","connect","v12"],"labels":["apigateway","high","ibmapiconnect","infrastructure","selfhosted"],"campaign_type":null,"search_a":"'-16880':22A,25A '-2026':21A,24A '10.0.8.0':4A '10.0.8.12':5A '10.0.8.13':17A '12.1.0.0':7A '12.1.1.2':8A '12.1.1.3':19A 'api':2A,26A,28A 'authent':9A 'connect':3A,27A,29A 'cve':20A,23A 'expos':12A 'fix':15A 'ibm':1A 'inform':14A 'path':10A 'sensit':13A 'travers':11A 'v12':30A","search_b":"'10.0.8.0':46B '10.0.8.12':48B '12.1.0.0':50B '12.1.1.2':52B 'api':32B,36B,43B 'api-gateway':31B 'attack':63B 'connect':37B,44B 'contain':53B 'flaw':57B 'gateway':33B 'host':41B 'ibm':35B,42B 'ibm-api-connect':34B 'inform':70B 'infrastructur':38B 'log':60B 'logged-in':59B 'obtain':68B 'path':55B 'remot':62B 'self':40B 'self-host':39B 'sensit':69B 'travers':56B 'use':65B 'version':45B","search_c":"'10.0.8.0':74C '10.0.8.12':76C '12.1.0.0':78C '12.1.1.2':80C 'allow':82C 'api':72C 'attack':86C 'authent':85C 'connect':73C 'could':81C 'due':91C 'ibm':71C 'inform':90C 'obtain':88C 'path':93C 'remot':84C 'sensit':89C 'travers':94C","first_public_at":"2026-11-07T05:18:22+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-2026-16880","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16880","severity":null,"published_at":"2026-11-07T05:18:22+00:00","modified_at":"2026-11-07T05:18:22+00:00","first_seen_at":"2026-11-07T05:45:57+00:00","fetched_at":"2026-11-07T05:45:57+00:00","note":null},{"source":"analyst","external_id":"CVE-2026-16880:2072","url":"https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-39","severity":null,"published_at":"2026-11-07T06:25:11+00:00","modified_at":"2026-11-07T06:25:14+00:00","first_seen_at":"2026-11-07T06:25:11+00:00","fetched_at":"2026-11-07T06:25:14+00:00","note":"Restating product rows with distinct names (same-name rows replace each other).","cites":["https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-39","https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-41"]}],"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},{"id":93150,"url":"https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-41","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}],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}