critical
advisory
IBM API Connect: Arbitrary file write via path traversal (CVE-2026-17354)
IBM API Connect versions 12.1.0.0 through 12.1.1.2 are susceptible to a path traversal vulnerability that enables a remote authenticated attacker to perform arbitrary file writes.
CVE search metadata
CVE search record: CVE-2026-17354. Severity: critical. CVSS: 9.9. KEV: no. Product: API Connect (12.1.0.0-12.1.1.2). Brief: IBM API Connect: Arbitrary file write via path traversal (CVE-2026-17354). Brief link: https://feed.craftedsignal.io/briefs/2026-11-ibm-api-connect-path-traversal-40cd63e4/
Triage facts
Revision 1- Applicability
- API Connect (12.1.0.0-12.1.1.2)
- Evidence
- Unknown
- Severity
- Critical
- Sources
- 1 public source
- Freshness
- Revision 1Nov 7, 07:50 UTC
- Vulnerabilities
- 1 CVE
- Source quality
- A2Roughly even chance
IBM API Connect versions 12.1.0.0 through 12.1.1.2 contain a path traversal vulnerability. A remote authenticated attacker can exploit this flaw to perform arbitrary file writes.