{"id":"CVE-2026-17354","published":"2026-11-07T05:18:47.057","lastModified":"2026-11-09T15:17:20.287","description":"IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to perform arbitrary file writes due to path traversal.","cvssScore":9.9,"cvssSeverity":"CRITICAL","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","cwes":["CWE-22"],"vendors":[],"products":[],"references":[{"url":"https://www.ibm.com/support/pages/node/7295635","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"IBM API Connect contains a path traversal vulnerability in versions 12.1.0.0 through 12.1.1.2 that allows an authenticated attacker to write arbitrary files outside intended directories, potentially leading to remote code execution or data compromise.","exploitability":"Exploitation requires valid authentication and knowledge of the vulnerable endpoint path structure, but otherwise has low complexity due to lack of input sanitization.","blast_radius":"Successful exploitation could allow full system compromise including unauthorized code execution, data exfiltration, or backdoor installation via overwriting critical configuration or binary files.","remediation":"Upgrade to IBM API Connect 12.1.1.3 or later, which contains the official fix for CVE-2026-17354.","detection":"Defenders should monitor for unusual file creation or modification events in non-standard directories (e.g., outside /opt/ibm/apiconnect), especially those with predictable paths like ../../etc/passwd or similar encoded traversal sequences, and correlate such events with authenticated user sessions in API Connect logs.","tags":["path-traversal","file-write","auth-bypass","web","api"],"model":"garnet-coder","analyzedAt":"2026-11-07T09:46:20.863Z"}}