{"id":"CVE-2026-16679","kind":"vulnerability","aliases":["CVE-2026-16679"],"related":[],"title":"IBM API Connect: path traversal lets remote attackers read arbitrary server files","description":"IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote attacker to view arbitrary files on the system due to a path traversal vulnerability. A specially crafted URL request could allow directories outside the intended location to be accessed.","summary":"IBM API Connect versions 12.1.0.0 through 12.1.1.2 contain a path traversal flaw triggered by a specially crafted URL request. An remote attacker can use it to view files outside the intended directory on the server.","severity":"medium","cvss":4.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["api-gateway","ibm-api-connect","self-hosted","vendor"],"not_affected_if":["other-versions"],"how_to_check":"- Check the installed IBM API Connect version against the affected range `12.1.0.0` through `12.1.1.2`","fix":null,"status":"open","published_at":"2026-11-07T05:18:19+00:00","first_seen_at":"2026-11-07T05:45:57+00:00","triaged_at":"2026-11-07T05:54:30+00:00","updated_at":"2026-11-07T05:54:30+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-11-07T05:54:30Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"internet","title":"IBM API Connect: path traversal lets remote attackers read arbitrary server files","impact":"medium","summary":"IBM API Connect versions 12.1.0.0 through 12.1.1.2 contain a path traversal flaw triggered by a specially crafted URL request. An remote attacker can use it to view files outside the intended directory on the server.","audience":"businesses","category":"vendor","nicknames":[],"who_cares":["ibm-api-connect","api-gateway","self-hosted"],"confidence":0.6,"fix_status":"unknown","needs_auth":"unknown","worst_case":"Remote attacker reads arbitrary files from the server filesystem","analyst_note":"Find IBM's security bulletin for CVE-2026-16679 to confirm the fixed version and whether authentication is required.","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 which URL paths or configuration are involved","plain_action":"","needs_analyst":true,"not_affected_if":["other-versions"],"who_is_affected":"Organizations running IBM API Connect in the 12.1.0.0 to 12.1.1.2 range are exposed to remote file reads through crafted URL requests. The sources do not say whether a default configuration or specific feature is required, nor which deployment roles are reachable. Teams on other versions are not affected by this description.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000696,"input_tokens":4222,"output_tokens":548,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-16679':15A,18A '-2026':14A,17A '12.1.0.0':34B,68C '12.1.1.2':36B,70C 'access':103C 'allow':72C,95C 'api':2A,20B,24B,31B,66C 'api-gateway':19B 'arbitrari':10A,78C 'attack':8A,51B,75C 'connect':3A,25B,32B,67C 'contain':37B 'could':71C,94C 'craft':46B,91C 'cve':13A,16A 'directori':61B,96C 'due':83C 'file':12A,57B,79C 'flaw':41B 'gateway':21B 'host':28B 'ibm':1A,23B,30B,65C 'ibm-api-connect':22B 'intend':60B,99C 'let':6A 'locat':100C 'outsid':58B,97C 'path':4A,39B,86C 'read':9A 'remot':7A,50B,74C 'request':48B,93C 'self':27B 'self-host':26B 'server':11A,64B 'special':45B,90C 'system':82C 'travers':5A,40B,87C 'trigger':42B 'url':47B,92C 'use':53B 'vendor':29B 'version':33B 'view':56B,77C 'vulner':88C","nicknames":[],"mitigations":[],"who_affected":"Organizations running IBM API Connect in the 12.1.0.0 to 12.1.1.2 range are exposed to remote file reads through crafted URL requests. The sources do not say whether a default configuration or specific feature is required, nor which deployment roles are reachable. Teams on other versions are not affected by this description.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["apigateway","ibmapiconnect","medium","selfhosted","vendor"],"campaign_type":null,"search_a":"'-16679':15A,18A '-2026':14A,17A 'api':2A 'arbitrari':10A 'attack':8A 'connect':3A 'cve':13A,16A 'file':12A 'ibm':1A 'let':6A 'path':4A 'read':9A 'remot':7A 'server':11A 'travers':5A","search_b":"'12.1.0.0':34B '12.1.1.2':36B 'api':20B,24B,31B 'api-gateway':19B 'attack':51B 'connect':25B,32B 'contain':37B 'craft':46B 'directori':61B 'file':57B 'flaw':41B 'gateway':21B 'host':28B 'ibm':23B,30B 'ibm-api-connect':22B 'intend':60B 'outsid':58B 'path':39B 'remot':50B 'request':48B 'self':27B 'self-host':26B 'server':64B 'special':45B 'travers':40B 'trigger':42B 'url':47B 'use':53B 'vendor':29B 'version':33B 'view':56B","search_c":"'12.1.0.0':68C '12.1.1.2':70C 'access':103C 'allow':72C,95C 'api':66C 'arbitrari':78C 'attack':75C 'connect':67C 'could':71C,94C 'craft':91C 'directori':96C 'due':83C 'file':79C 'ibm':65C 'intend':99C 'locat':100C 'outsid':97C 'path':86C 'remot':74C 'request':93C 'special':90C 'system':82C 'travers':87C 'url':92C 'view':77C 'vulner':88C","first_public_at":"2026-11-07T05:18:19+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cvss_by":"psirt@us.ibm.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-16679","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16679","severity":null,"published_at":"2026-11-07T05:18:19+00:00","modified_at":"2026-11-07T05:18:19+00:00","first_seen_at":"2026-11-07T05:45:57+00:00","fetched_at":"2026-11-07T05:45:57+00:00","note":null}],"documents":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}