IBM API Connect: Security restriction bypass (CVE-2026-17172)
IBM API Connect versions 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 contain an improper authentication vulnerability. A remote authenticated attacker may impersonate another party due to insufficient verification of client-supplied information.
CVE search metadata
CVE search record: CVE-2026-17172. Severity: high. CVSS: 8.5. KEV: no. Product: API Connect (10.0.8.0 through 10.0.8.12, 12.1.0.0 through 12.1.1.2). Brief: IBM API Connect: Security restriction bypass (CVE-2026-17172). Brief link: https://feed.craftedsignal.io/briefs/2026-11-ibm-api-connect-auth-bypass-88467191/
Triage facts
Revision 1- Applicability
- API Connect (10.0.8.0 through 10.0.8.12, 12.1.0.0 through 12.1.1.2)
- Evidence
- Unknown
- Severity
- High
- Sources
- 1 public source
- Freshness
- Revision 1Nov 7, 06:02 UTC
- Vulnerabilities
- 1 CVE
- Source quality
- A2Roughly even chance
IBM API Connect (versions 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2) is vulnerable to an improper authentication flaw. This allows a remote authenticated attacker to bypass security restrictions by impersonating another party, as the system does not sufficiently verify information supplied by the client.