{"id":"CVE-2026-17395","kind":"vulnerability","aliases":["CVE-2026-17395"],"related":[],"title":"IBM API Connect: authenticated users can reach internal systems via URL","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 access internal network resources due to improper validation of a user-supplied URL. Destinations are not sufficiently restricted, which could allow the server to be made to contact internal systems.","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 properly validate user-supplied URLs. A remote authenticated attacker can make the server contact internal network systems that should not be reachable from outside.","severity":"medium","cvss":6.4,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["ibm-api-connect","infrastructure","self-hosted"],"not_affected_if":["unaffected-version"],"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`","fix":"- Move to a fixed release; the sources do not name the fixed version","status":"open","published_at":"2026-11-07T05:18:54+00:00","first_seen_at":"2026-11-07T05:46:07+00:00","triaged_at":"2026-11-07T05:52:35+00:00","updated_at":"2026-11-07T05:52:35+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-11-07T05:52:35Z","model":"claude-haiku-5-5","output":{"fix":"- Move to a fixed release; the sources do not name the fixed version\n- unknown","reach":"network","title":"IBM API Connect: authenticated users can reach internal systems via URL","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 properly validate user-supplied URLs. A remote authenticated attacker can make the server contact internal network systems that should not be reachable from outside.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["ibm-api-connect","self-hosted"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"server reaches internal systems and returns their responses to attacker","analyst_note":"Find the IBM security bulletin for CVE-2026-17395 to confirm the fixed versions and which features take a URL.","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 whether the sources name a specific configuration that exposes the URL feature","plain_action":"","needs_analyst":true,"not_affected_if":["unaffected-version"],"who_is_affected":"Teams that run IBM API Connect in the affected version ranges, where a logged-in user can supply a URL the server then fetches. Who can skip it: anyone not running those versions. The sources do not say which features accept user-supplied URLs.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000709,"input_tokens":4262,"output_tokens":566,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-17395':14A,17A '-2026':13A,16A '10.0.8.0':30B,67C '10.0.8.12':32B,69C '12.1.0.0':34B,71C '12.1.1.2':36B,73C 'access':81C 'allow':75C,102C 'api':2A,20B,27B,65C 'attack':48B,79C 'authent':4A,47B,78C 'connect':3A,21B,28B,66C 'contact':53B,109C 'could':74C,101C 'cve':12A,15A 'destin':95C 'due':85C 'host':25B 'ibm':1A,19B,26B,64C 'ibm-api-connect':18B 'improp':87C 'infrastructur':22B 'intern':8A,54B,82C,110C 'made':107C 'make':50B 'network':55B,83C 'outsid':63B 'proper':39B 'reach':7A 'reachabl':61B 'remot':46B,77C 'resourc':84C 'restrict':99C 'self':24B 'self-host':23B 'server':52B,104C 'suffici':98C 'suppli':43B,93C 'system':9A,56B,111C 'url':11A,44B,94C 'user':5A,42B,92C 'user-suppli':41B,91C 'valid':40B,88C 'version':29B 'via':10A","nicknames":[],"mitigations":[],"who_affected":"Teams that run IBM API Connect in the affected version ranges, where a logged-in user can supply a URL the server then fetches. Who can skip it: anyone not running those versions. The sources do not say which features accept user-supplied URLs.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["ibmapiconnect","infrastructure","medium","selfhosted"],"campaign_type":null,"search_a":"'-17395':14A,17A '-2026':13A,16A 'api':2A 'authent':4A 'connect':3A 'cve':12A,15A 'ibm':1A 'intern':8A 'reach':7A 'system':9A 'url':11A 'user':5A 'via':10A","search_b":"'10.0.8.0':30B '10.0.8.12':32B '12.1.0.0':34B '12.1.1.2':36B 'api':20B,27B 'attack':48B 'authent':47B 'connect':21B,28B 'contact':53B 'host':25B 'ibm':19B,26B 'ibm-api-connect':18B 'infrastructur':22B 'intern':54B 'make':50B 'network':55B 'outsid':63B 'proper':39B 'reachabl':61B 'remot':46B 'self':24B 'self-host':23B 'server':52B 'suppli':43B 'system':56B 'url':44B 'user':42B 'user-suppli':41B 'valid':40B 'version':29B","search_c":"'10.0.8.0':67C '10.0.8.12':69C '12.1.0.0':71C '12.1.1.2':73C 'access':81C 'allow':75C,102C 'api':65C 'attack':79C 'authent':78C 'connect':66C 'contact':109C 'could':74C,101C 'destin':95C 'due':85C 'ibm':64C 'improp':87C 'intern':82C,110C 'made':107C 'network':83C 'remot':77C 'resourc':84C 'restrict':99C 'server':104C 'suffici':98C 'suppli':93C 'system':111C 'url':94C 'user':92C 'user-suppli':91C 'valid':88C","first_public_at":"2026-11-07T05:18:54+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","cvss_by":"psirt@us.ibm.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-17395","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-17395","severity":null,"published_at":"2026-11-07T05:18:54+00:00","modified_at":"2026-11-07T05:18:55+00:00","first_seen_at":"2026-11-07T05:46:07+00:00","fetched_at":"2026-11-07T05:46:07+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"}