IBM API Connect: Improper authorization flaw (CVE-2026-17319)
IBM API Connect versions 12.1.0.0 through 12.1.1.2 contain an improper authorization vulnerability. The application relies on client-supplied information to enforce authorization decisions, allowing a remote authenticated attacker to modify tool configurations and cause a denial of service.
CVE search metadata
CVE search record: CVE-2026-17319. Severity: high. CVSS: 7.1. KEV: no. Product: API Connect (12.1.0.0 - 12.1.1.2). Brief: IBM API Connect: Improper authorization flaw (CVE-2026-17319). Brief link: https://feed.craftedsignal.io/briefs/2026-11-07-ibm-api-connect-authorization-flaw/
Triage facts
Revision 1- Applicability
- API Connect (12.1.0.0 - 12.1.1.2)
- Evidence
- Unknown
- Severity
- Medium
- Sources
- 1 public source
- Freshness
- Revision 1Nov 7, 06:08 UTC
- Vulnerabilities
- 1 CVE
- Source quality
- A2Roughly even chance
IBM API Connect versions 12.1.0.0 through 12.1.1.2 are susceptible to an improper authorization vulnerability (CVE-2026-17319). By relying on client-supplied information to manage authorization, the application permits authenticated remote attackers to perform unauthorized configuration changes that result in service disruption.