{"id":"CVE-2026-17408","kind":"vulnerability","aliases":["CVE-2026-17408"],"related":[],"title":"IBM API Connect: remote attacker can run arbitrary OS commands","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 attacker to execute arbitrary code due to improper neutralization of special elements in an OS command.","summary":"IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 fails to neutralize special characters in OS commands. A remote attacker can execute arbitrary code on the affected server.","severity":"critical","cvss":9.8,"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","self-hosted","vendor"],"not_affected_if":["unaffected-version","unknown"],"how_to_check":"Check the installed API Connect version on every subsystem (management, gateway, portal, analytics). Exposed: 10.0.8.0 through 10.0.8.12, or 12.1.0.0 through 12.1.1.2. Fixed: 10.0.8.13 and 12.1.1.3 or later.","fix":"Upgrade to API Connect 10.0.8.13 (from 10.0.8.0-10.0.8.12) or 12.1.1.3 (from 12.1.0.0-12.1.1.2), from IBM Fix Central. IBM lists no workaround.","status":"open","published_at":"2026-11-07T05:18:57+00:00","first_seen_at":"2026-11-07T05:46:08+00:00","triaged_at":"2026-11-07T05:48:19+00:00","updated_at":"2026-11-07T05:51:52+00:00","category":"vendor","confidence":0.85,"triage":{"at":"2026-11-07T05:48:19Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"internet","title":"IBM API Connect: remote attacker can run arbitrary OS commands","impact":"high","summary":"IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 fails to neutralize special characters in OS commands. A remote attacker can execute arbitrary code on the affected server.","audience":"businesses","category":"vendor","nicknames":[],"who_cares":["ibm-api-connect","api-gateway"],"confidence":0.6,"fix_status":"unknown","needs_auth":"unknown","worst_case":"Attacker runs arbitrary code on the API Connect server","analyst_note":"Find IBM's security bulletin for CVE-2026-17408 to confirm the fixed versions, the attack prerequisites, and the exposure conditions; the NVD entry alone gives only the affected ranges.","how_to_check":"- Check 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- Confirm the exact installed build with the IBM API Connect admin console or deployment records: unknown","plain_action":"","needs_analyst":true,"not_affected_if":["unknown"],"who_is_affected":"Organizations running IBM API Connect in the listed version ranges. The sources do not say which deployment modes or configurations are exposed, so the exposure scope is unknown.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000696,"input_tokens":4229,"output_tokens":547,"severity_before":"critical"},"analyst_status":"done","analyst_note":"Find IBM's security bulletin for CVE-2026-17408 to confirm the fixed versions, the attack prerequisites, and the exposure conditions; the NVD entry alone gives only the affected ranges.","search":"'-17408':13A,16A '-2026':12A,15A '10.0.8.0':36B,65C '10.0.8.12':38B,67C '12.1.0.0':40B,69C '12.1.1.2':42B,71C 'affect':60B 'allow':73C 'api':2A,17A,19A,23B,27B,34B,63C 'api-gateway':22B 'arbitrari':8A,56B,79C 'attack':5A,53B,76C 'charact':47B 'code':57B,80C 'command':10A,50B,91C 'connect':3A,18A,20A,28B,35B,64C 'could':72C 'cve':11A,14A 'due':81C 'element':87C 'execut':55B,78C 'fail':43B 'gateway':24B 'host':31B 'ibm':1A,26B,33B,62C 'ibm-api-connect':25B 'improp':83C 'neutral':45B,84C 'os':9A,49B,90C 'remot':4A,52B,75C 'run':7A 'self':30B 'self-host':29B 'server':61B 'special':46B,86C 'v12':21A 'vendor':32B","nicknames":[],"mitigations":[],"who_affected":"Anyone running self-managed IBM API Connect 10.0.8.0-10.0.8.12 or 12.1.0.0-12.1.1.2. IBM's CVSS 9.8 vector (network, low complexity, no privileges, no user interaction) means an unauthenticated remote attacker who can reach the instance could run OS commands (CWE-78). Teams on 10.0.8.13, 12.1.1.3 or later can skip it.","tier":"B","verified":{"fix":{"at":"2026-11-07T05:51:52Z","by":"analyst","doc":"https://www.ibm.com/support/pages/node/7290205","run_id":1964},"workarounds":{"at":"2026-11-07T05:51:52Z","by":"analyst","doc":"https://www.ibm.com/support/pages/node/7290205","run_id":1964}},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":["apiconnect","apiconnectv12","connect","connectv12"],"ptokens":["api","connect","v12"],"labels":["apigateway","critical","ibmapiconnect","selfhosted","vendor"],"campaign_type":null,"search_a":"'-17408':13A,16A '-2026':12A,15A 'api':2A,17A,19A 'arbitrari':8A 'attack':5A 'command':10A 'connect':3A,18A,20A 'cve':11A,14A 'ibm':1A 'os':9A 'remot':4A 'run':7A 'v12':21A","search_b":"'10.0.8.0':36B '10.0.8.12':38B '12.1.0.0':40B '12.1.1.2':42B 'affect':60B 'api':23B,27B,34B 'api-gateway':22B 'arbitrari':56B 'attack':53B 'charact':47B 'code':57B 'command':50B 'connect':28B,35B 'execut':55B 'fail':43B 'gateway':24B 'host':31B 'ibm':26B,33B 'ibm-api-connect':25B 'neutral':45B 'os':49B 'remot':52B 'self':30B 'self-host':29B 'server':61B 'special':46B 'vendor':32B","search_c":"'10.0.8.0':65C '10.0.8.12':67C '12.1.0.0':69C '12.1.1.2':71C 'allow':73C 'api':63C 'arbitrari':79C 'attack':76C 'code':80C 'command':91C 'connect':64C 'could':72C 'due':81C 'element':87C 'execut':78C 'ibm':62C 'improp':83C 'neutral':84C 'os':90C 'remot':75C 'special':86C","first_public_at":"2026-11-07T05:18:57+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_by":"psirt@us.ibm.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-17408","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-17408","severity":null,"published_at":"2026-11-07T05:18:57+00:00","modified_at":"2026-11-07T05:18:58+00:00","first_seen_at":"2026-11-07T05:46:08+00:00","fetched_at":"2026-11-07T05:46:08+00:00","note":null},{"source":"analyst","external_id":"CVE-2026-17408:1964","url":"https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-41","severity":null,"published_at":"2026-11-07T05:51:52+00:00","modified_at":"2026-11-07T05:51:52+00:00","first_seen_at":"2026-11-07T05:51:52+00:00","fetched_at":"2026-11-07T05:51:52+00:00","note":"IBM bulletins -41 (10.0.8.13) and -39 (12.1.1.3) list CVE-2026-17408: CWE-78, CVSS 9.8 AV:N/PR:N, no workaround. The 10.0.8 range and fix were read in the bulletin; the 12.1 affected range comes from NVD, and the 12.1.1.3 fix from the bulletin summary and the Fix Central node. No exploitation or PoC found; social search not run.","cites":["https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-41","https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-39","https://www.ibm.com/support/pages/node/7290205"]}],"documents":[{"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},{"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":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}],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}