CVE-2026-18838: Multiple Vulnerabilities in IBM API Connect
Published Nov 5, 2026
·Updated
IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote attacker to obtain sensitive information and modify API configurations due to improper authentication. Identity information supplied in requests is not sufficiently verified, which could allow a caller to impersonate another user.
Other sources
IBM API Connect could allow a remote attacker to obtain sensitive information and modify API configurations due to improper authentication. Identity information supplied in requests is not sufficiently verified, which could allow a caller to impersonate another user.
— IBM
Affected Software
1 affected component
IBM API Connect V12 OnPrem<=v12.1.0.0 - v12.1.1.2
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
IBM API Connectto a version that resolves this vulnerability.Fixed in 12.1.1.3
Event History
Nov 5, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Nov 7, 2026
CVE Published
via MITRE·04:34 AM
Data Sourced
via MITRE·04:34 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·05:18 AM
DescriptionSeverityWeakness