{"id":"CVE-2026-87800","kind":"vulnerability","aliases":["CVE-2026-87800"],"related":[],"title":"IBM Cyber Fraud: authenticated users can upload dangerous file types and run code","description":"IBM Cyber Fraud 1.0.0 through 1.0.2 could allow a remote authenticated attacker to execute arbitrary code due to unrestricted upload of a file with a dangerous type.","summary":"IBM Cyber Fraud versions 1.0.0 through 1.0.2 do not restrict the types of files users can upload. A remote attacker with a valid account could upload a dangerous file and execute arbitrary code.","severity":"medium","cvss":6.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["ibm-cyber-fraud","other","self-hosted"],"not_affected_if":["not-installed-or-outside-version-range"],"how_to_check":"- Confirm whether IBM Cyber Fraud is installed and check its version against 1.0.0 through 1.0.2\n- unknown","fix":"- Upgrade IBM Cyber Fraud past `1.0.2` once a fixed release is named in the IBM bulletin\n- unknown","status":"open","published_at":"2026-10-20T22:20:20+00:00","first_seen_at":"2026-10-23T21:57:26+00:00","triaged_at":"2026-10-25T03:43:04+00:00","updated_at":"2026-10-25T03:43:04+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-10-25T03:43:04Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade IBM Cyber Fraud past `1.0.2` once a fixed release is named in the IBM bulletin\n- unknown","reach":"internet","title":"IBM Cyber Fraud: authenticated users can upload dangerous file types and run code","impact":"high","summary":"IBM Cyber Fraud versions 1.0.0 through 1.0.2 do not restrict the types of files users can upload. A remote attacker with a valid account could upload a dangerous file and execute arbitrary code.","category":"other","nicknames":[],"who_cares":["ibm-cyber-fraud","self-hosted"],"confidence":0.6,"needs_auth":"yes","worst_case":"Authenticated user runs arbitrary code on the server","analyst_note":"Check the IBM security bulletin and the NVD entry for a fixed version and the upload path; sources give only the one-line description.","how_to_check":"- Confirm whether IBM Cyber Fraud is installed and check its version against 1.0.0 through 1.0.2\n- unknown","needs_analyst":true,"not_affected_if":["not-installed-or-outside-version-range"],"who_is_affected":"unknown. The sources describe an authenticated remote attacker and an unrestricted upload of a dangerous file type, but do not say which deployments or configurations are exposed. Teams not running IBM Cyber Fraud in versions 1.0.0 through 1.0.2 can skip it.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000597,"input_tokens":3299,"output_tokens":535,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2026':15A,18A '-87800':16A,19A '1.0.0':32B,64C '1.0.2':34B,66C 'account':51B 'allow':68C 'arbitrari':59B,75C 'attack':47B,72C 'authent':4A,71C 'code':13A,60B,76C 'could':52B,67C 'cve':14A,17A 'cyber':2A,22B,29B,62C 'danger':8A,55B,86C 'due':77C 'execut':58B,74C 'file':9A,41B,56B,83C 'fraud':3A,23B,30B,63C 'host':27B 'ibm':1A,21B,28B,61C 'ibm-cyber-fraud':20B 'remot':46B,70C 'restrict':37B 'run':12A 'self':26B 'self-host':25B 'type':10A,39B,87C 'unrestrict':79C 'upload':7A,44B,53B,80C 'user':5A,42B 'valid':50B 'version':31B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:20:20+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N","cvss_by":"psirt@us.ibm.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-87800","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-87800","severity":null,"published_at":"2026-10-20T22:20:20+00:00","modified_at":"2026-10-21T16:17:37+00:00","first_seen_at":"2026-10-23T21:57:26+00:00","fetched_at":"2026-10-23T22:29:00+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}