{"id":"CVE-2026-16433","kind":"vulnerability","aliases":["CVE-2026-16433"],"related":[],"title":"IBM DataStage on Cloud Pak for Data: path traversal lets users write arbitrary files","description":"IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to write arbitrary files due to a path traversal vulnerability.","summary":"IBM DataStage on Cloud Pak for Data 5.4.0.0 has a path traversal flaw. A remote attacker with a valid account can write files to arbitrary locations on the server.","severity":"medium","cvss":6.5,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"IBM DataStage","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["cloud-pak-for-data","ibm-datastage","vendor"],"not_affected_if":["unauthenticated-only-access"],"how_to_check":"- Check whether IBM DataStage is deployed on Cloud Pak for Data at version `5.4.0.0`\n- Confirm the installed version with the Cloud Pak for Data admin console","fix":null,"status":"open","published_at":"2026-11-08T18:17:02+00:00","first_seen_at":"2026-11-08T18:22:22+00:00","triaged_at":"2026-11-08T18:22:44+00:00","updated_at":"2026-11-08T18:22:44+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-11-08T18:22:44Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"IBM DataStage on Cloud Pak for Data: path traversal lets users write arbitrary files","impact":"medium","summary":"IBM DataStage on Cloud Pak for Data 5.4.0.0 has a path traversal flaw. A remote attacker with a valid account can write files to arbitrary locations on the server.","audience":"businesses","category":"vendor","nicknames":[],"who_cares":["ibm-datastage","cloud-pak-for-data"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"authenticated user writes arbitrary files on the server","analyst_note":"Find the IBM security bulletin for CVE-2026-16433 to confirm the fixed version and any interim mitigation.","how_to_check":"- Check whether IBM DataStage is deployed on Cloud Pak for Data at version `5.4.0.0`\n- Confirm the installed version with the Cloud Pak for Data admin console\n- unknown for further detail","plain_action":"","product_name":"IBM DataStage","needs_analyst":true,"not_affected_if":["unauthenticated-only-access"],"who_is_affected":"Organizations running IBM DataStage 5.4.0.0 on IBM Cloud Pak for Data are potentially exposed, since the attacker must be an authenticated remote user. Installations on other versions or teams not running DataStage can skip it. Sources do not give the affected configuration in more detail.","user_interaction":"no","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000736,"input_tokens":4527,"output_tokens":567,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-16433':17A,20A '-2026':16A,19A '5.4.0.0':39B,68C 'account':51B 'allow':70C 'arbitrari':13A,56B,77C 'attack':47B,74C 'authent':73C 'cloud':4A,24B,35B,64C 'cloud-pak-for-data':23B 'could':69C 'cve':15A,18A 'data':7A,27B,38B,67C 'datastag':2A,30B,33B,62C 'datastage':22A 'due':79C 'file':14A,54B,78C 'flaw':44B 'ibm':1A,21A,29B,32B,61C 'ibm-datastag':28B 'let':10A 'locat':57B 'pak':5A,25B,36B,65C 'path':8A,42B,82C 'remot':46B,72C 'server':60B 'travers':9A,43B,83C 'user':11A 'valid':50B 'vendor':31B 'vulner':84C 'write':12A,53B,76C","nicknames":[],"mitigations":[],"who_affected":"Organizations running IBM DataStage 5.4.0.0 on IBM Cloud Pak for Data are potentially exposed, since the attacker must be an authenticated remote user. Installations on other versions or teams not running DataStage can skip it. Sources do not give the affected configuration in more detail.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":["datastage","ibmdatastage"],"ptokens":["datastage","ibm"],"labels":["cloudpakfordata","ibmdatastage","medium","vendor"],"campaign_type":null,"search_a":"'-16433':17A,20A '-2026':16A,19A 'arbitrari':13A 'cloud':4A 'cve':15A,18A 'data':7A 'datastag':2A 'datastage':22A 'file':14A 'ibm':1A,21A 'let':10A 'pak':5A 'path':8A 'travers':9A 'user':11A 'write':12A","search_b":"'5.4.0.0':39B 'account':51B 'arbitrari':56B 'attack':47B 'cloud':24B,35B 'cloud-pak-for-data':23B 'data':27B,38B 'datastag':30B,33B 'file':54B 'flaw':44B 'ibm':29B,32B 'ibm-datastag':28B 'locat':57B 'pak':25B,36B 'path':42B 'remot':46B 'server':60B 'travers':43B 'valid':50B 'vendor':31B 'write':53B","search_c":"'5.4.0.0':68C 'allow':70C 'arbitrari':77C 'attack':74C 'authent':73C 'cloud':64C 'could':69C 'data':67C 'datastag':62C 'due':79C 'file':78C 'ibm':61C 'pak':65C 'path':82C 'remot':72C 'travers':83C 'vulner':84C 'write':76C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-08T18:17:02+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","cvss_by":"psirt@us.ibm.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-16433","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16433","severity":null,"published_at":"2026-11-08T18:17:02+00:00","modified_at":"2026-11-08T18:17:02+00:00","first_seen_at":"2026-11-08T18:22:22+00:00","fetched_at":"2026-11-08T18:22:22+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}