{"id":"CVE-2026-17167","kind":"vulnerability","aliases":["CVE-2026-17167"],"related":[],"title":"IBM API Connect: audit log source can be falsified by authenticated users","description":"IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to falsify audit log information due to reliance on untrusted inputs. Information supplied by the client is relied on when recording the source of a request, so audit records could contain inaccurate details.","summary":"IBM API Connect versions 12.1.0.0 through 12.1.1.2 trust client-supplied data when recording the source of a request. An authenticated remote attacker can therefore write inaccurate source details into audit records.","severity":"medium","cvss":4.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["api-gateway","audit-logging","ibm-api-connect","infrastructure"],"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":"2026-11-07T05:18:29+00:00","first_seen_at":"2026-11-07T05:45:59+00:00","triaged_at":"2026-11-07T05:54:27+00:00","updated_at":"2026-11-07T05:54:27+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-11-07T05:54:27Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"IBM API Connect: audit log source can be falsified by authenticated users","impact":"low","summary":"IBM API Connect versions 12.1.0.0 through 12.1.1.2 trust client-supplied data when recording the source of a request. An authenticated remote attacker can therefore write inaccurate source details into audit records.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["ibm-api-connect","api-gateway","audit-logging"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"audit records contain false source information, hiding attacker origin","analyst_note":"Confirm the fixed version and any IBM bulletin for CVE-2026-17167; the sources given do not state a fix.","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","plain_action":"","needs_analyst":true,"not_affected_if":["outside-affected-versions"],"who_is_affected":"Teams running IBM API Connect 12.1.0.0 through 12.1.1.2 where users can send authenticated requests to the gateway or management APIs. The flaw affects audit record integrity, not direct code execution or data access. Deployments on other versions are not in the stated range.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000676,"input_tokens":4231,"output_tokens":506,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-17167':15A,18A '-2026':14A,17A '12.1.0.0':34B,65C '12.1.1.2':36B,67C 'allow':69C 'api':2A,20B,27B,31B,63C 'api-gateway':19B 'attack':52B,73C 'audit':4A,23B,60B,76C,101C 'audit-log':22B 'authent':11A,50B,72C 'client':39B,89C 'client-suppli':38B 'connect':3A,28B,32B,64C 'contain':104C 'could':68C,103C 'cve':13A,16A 'data':41B 'detail':58B,106C 'due':79C 'falsifi':9A,75C 'gateway':21B 'ibm':1A,26B,30B,62C 'ibm-api-connect':25B 'inaccur':56B,105C 'inform':78C,85C 'infrastructur':29B 'input':84C 'log':5A,24B,77C 'record':43B,61B,94C,102C 'reli':91C 'relianc':81C 'remot':51B,71C 'request':48B,99C 'sourc':6A,45B,57B,96C 'suppli':40B,86C 'therefor':54B 'trust':37B 'untrust':83C 'user':12A 'version':33B 'write':55B","nicknames":[],"mitigations":[],"who_affected":"Teams running IBM API Connect 12.1.0.0 through 12.1.1.2 where users can send authenticated requests to the gateway or management APIs. The flaw affects audit record integrity, not direct code execution or data access. Deployments on other versions are not in the stated range.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["apigateway","auditlogging","ibmapiconnect","infrastructure","medium"],"campaign_type":null,"search_a":"'-17167':15A,18A '-2026':14A,17A 'api':2A 'audit':4A 'authent':11A 'connect':3A 'cve':13A,16A 'falsifi':9A 'ibm':1A 'log':5A 'sourc':6A 'user':12A","search_b":"'12.1.0.0':34B '12.1.1.2':36B 'api':20B,27B,31B 'api-gateway':19B 'attack':52B 'audit':23B,60B 'audit-log':22B 'authent':50B 'client':39B 'client-suppli':38B 'connect':28B,32B 'data':41B 'detail':58B 'gateway':21B 'ibm':26B,30B 'ibm-api-connect':25B 'inaccur':56B 'infrastructur':29B 'log':24B 'record':43B,61B 'remot':51B 'request':48B 'sourc':45B,57B 'suppli':40B 'therefor':54B 'trust':37B 'version':33B 'write':55B","search_c":"'12.1.0.0':65C '12.1.1.2':67C 'allow':69C 'api':63C 'attack':73C 'audit':76C,101C 'authent':72C 'client':89C 'connect':64C 'contain':104C 'could':68C,103C 'detail':106C 'due':79C 'falsifi':75C 'ibm':62C 'inaccur':105C 'inform':78C,85C 'input':84C 'log':77C 'record':94C,102C 'reli':91C 'relianc':81C 'remot':71C 'request':99C 'sourc':96C 'suppli':86C 'untrust':83C","first_public_at":"2026-11-07T05:18:29+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","cvss_by":"psirt@us.ibm.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-17167","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-17167","severity":null,"published_at":"2026-11-07T05:18:29+00:00","modified_at":"2026-11-07T05:18:29+00:00","first_seen_at":"2026-11-07T05:45:59+00:00","fetched_at":"2026-11-07T05:45:59+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"}