CVE-2026-17354 — Ibm Api Connect
CRITICALCVE-2026-17354 is a critical-severity (CVSS 9.9) Path Traversal vulnerability in ibm api connect. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.
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.
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.
Affected Products
api connectibmDetection & mitigation playbook
Vendor / applianceDetect
Inventory every ibm api connect deployment and check each version against the affected-products list above.
Remediation status
The records we use list no fixed version for CVE-2026-17354. Check the ibm api connect advisory for a patched release, and apply the workarounds below until you can upgrade.
Mitigate without a patch
Resolve every user-supplied path to its canonical form and reject anything that escapes the intended directory, and run the component under an account that has no read or write access outside the directory it legitimately serves. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.
Frequently Asked Questions
Is CVE-2026-17354 being exploited in your environment?
Detect and block the exploit chain at execution, on systems you cannot patch yet.