{"id":"CVE-2026-17302","kind":"vulnerability","aliases":["CVE-2026-17302"],"related":[],"title":"IBM API Connect: authenticated users can probe internal network services","description":"IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to probe internal network services due to improper validation of a user-supplied URL.","summary":"IBM API Connect 12.1.0.0 through 12.1.1.2 does not properly validate a user-supplied URL. A logged-in remote attacker can use this to probe internal network services from the server.","severity":"medium","cvss":5.0,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["api-gateway","ibm-api-connect","infrastructure","self-hosted"],"not_affected_if":["outside-affected-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":"2026-11-07T05:18:38+00:00","first_seen_at":"2026-11-07T05:46:02+00:00","triaged_at":"2026-11-07T05:54:21+00:00","updated_at":"2026-11-07T05:54:21+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-11-07T05:54:21Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"IBM API Connect: authenticated users can probe internal network services","impact":"low","summary":"IBM API Connect 12.1.0.0 through 12.1.1.2 does not properly validate a user-supplied URL. A logged-in remote attacker can use this to probe internal network services from the server.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["ibm-api-connect","api-gateway","self-hosted"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"attacker maps internal network services reachable from the API Connect server","analyst_note":"Find the IBM security bulletin for CVE-2026-17302 to confirm the fixed version and the vulnerable URL feature.","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 feature or configuration exposes the URL input","plain_action":"","needs_analyst":true,"not_affected_if":["outside-affected-versions"],"who_is_affected":"IBM API Connect deployments in the affected range 12.1.0.0 through 12.1.1.2 are exposed to authenticated users who can submit a URL. The sources do not say which feature takes the URL or what default configuration applies. Teams on other versions can skip it.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000681,"input_tokens":4196,"output_tokens":522,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-17302':13A,16A '-2026':12A,15A '12.1.0.0':31B,63C '12.1.1.2':33B,65C 'allow':67C 'api':2A,18B,22B,29B,61C 'api-gateway':17B 'attack':48B,71C 'authent':4A,70C 'connect':3A,23B,30B,62C 'could':66C 'cve':11A,14A 'due':77C 'gateway':19B 'host':27B 'ibm':1A,21B,28B,60C 'ibm-api-connect':20B 'improp':79C 'infrastructur':24B 'intern':8A,54B,74C 'log':45B 'logged-in':44B 'network':9A,55B,75C 'probe':7A,53B,73C 'proper':36B 'remot':47B,69C 'self':26B 'self-host':25B 'server':59B 'servic':10A,56B,76C 'suppli':41B,85C 'url':42B,86C 'use':50B 'user':5A,40B,84C 'user-suppli':39B,83C 'valid':37B,80C","nicknames":[],"mitigations":[],"who_affected":"IBM API Connect deployments in the affected range 12.1.0.0 through 12.1.1.2 are exposed to authenticated users who can submit a URL. The sources do not say which feature takes the URL or what default configuration applies. Teams on other versions can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["apigateway","ibmapiconnect","infrastructure","medium","selfhosted"],"campaign_type":null,"search_a":"'-17302':13A,16A '-2026':12A,15A 'api':2A 'authent':4A 'connect':3A 'cve':11A,14A 'ibm':1A 'intern':8A 'network':9A 'probe':7A 'servic':10A 'user':5A","search_b":"'12.1.0.0':31B '12.1.1.2':33B 'api':18B,22B,29B 'api-gateway':17B 'attack':48B 'connect':23B,30B 'gateway':19B 'host':27B 'ibm':21B,28B 'ibm-api-connect':20B 'infrastructur':24B 'intern':54B 'log':45B 'logged-in':44B 'network':55B 'probe':53B 'proper':36B 'remot':47B 'self':26B 'self-host':25B 'server':59B 'servic':56B 'suppli':41B 'url':42B 'use':50B 'user':40B 'user-suppli':39B 'valid':37B","search_c":"'12.1.0.0':63C '12.1.1.2':65C 'allow':67C 'api':61C 'attack':71C 'authent':70C 'connect':62C 'could':66C 'due':77C 'ibm':60C 'improp':79C 'intern':74C 'network':75C 'probe':73C 'remot':69C 'servic':76C 'suppli':85C 'url':86C 'user':84C 'user-suppli':83C 'valid':80C","first_public_at":"2026-11-07T05:18:38+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","cvss_by":"psirt@us.ibm.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-17302","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-17302","severity":null,"published_at":"2026-11-07T05:18:38+00:00","modified_at":"2026-11-07T05:18:38+00:00","first_seen_at":"2026-11-07T05:46:02+00:00","fetched_at":"2026-11-07T05:46:02+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"}