CVE-2026-3144 Overview
CVE-2026-3144 affects IBM API Connect versions 12.1.0.0 through 12.1.0.3. The product ships with default credentials that attackers can use to authenticate before the system enforces a credential update. This weakness maps to [CWE-1392] Use of Default Credentials.
An attacker with network access to a freshly deployed or unconfigured API Connect instance can gain unauthorized access to the application. Once inside, the attacker inherits the privileges of the default account and can compromise API management functions, definitions, and downstream services.
Critical Impact
Network-based attackers can access IBM API Connect using default credentials before administrators complete the initial credential rotation, exposing API gateways and management functions.
Affected Products
- IBM API Connect 12.1.0.0
- IBM API Connect 12.1.0.1 through 12.1.0.2
- IBM API Connect 12.1.0.3
Discovery Timeline
- 2026-07-08 - CVE-2026-3144 published to NVD
- 2026-07-09 - Last updated in NVD database
Technical Details for CVE-2026-3144
Vulnerability Analysis
CVE-2026-3144 is a default credentials vulnerability in IBM API Connect. The product provisions accounts with static, well-known credentials during installation. The system does not require credential rotation before the account becomes usable across the network.
An attacker who reaches the management interface can authenticate with these default values. Successful authentication grants access to the API Connect application and its administrative surface. The confidentiality, integrity, and availability impact are all high because API Connect brokers traffic and configuration for downstream APIs.
The attack complexity is elevated because the attacker must reach the instance during the window before administrators change the default credentials. No user interaction or prior privileges are required.
Root Cause
The root cause is the use of default credentials [CWE-1392] combined with a deployment flow that does not enforce a mandatory credential change before the account is exposed to the network. Authentication succeeds against the shipped values until an administrator manually rotates them.
Attack Vector
The attack vector is network-based. An attacker sends authentication requests to the API Connect management or user interface using the documented default credentials. If the instance has not yet enforced a credential update, the attacker gains authenticated access and can pivot to API definitions, gateway policies, and connected systems.
No verified public exploit code is available for CVE-2026-3144. Refer to the IBM Support Page for authoritative technical details.
Detection Methods for CVE-2026-3144
Indicators of Compromise
- Successful authentication events to IBM API Connect using default or vendor-supplied account names shortly after deployment.
- Configuration changes to API definitions, gateways, or user accounts originating from sessions established before the initial credential rotation.
- Access to the API Connect management interface from unexpected source IP addresses or geographies.
Detection Strategies
- Audit IBM API Connect authentication logs for logins using default account identifiers referenced in the IBM Support Page.
- Compare account creation and first-login timestamps against expected administrator onboarding activity to identify pre-rotation access.
- Alert on any administrative API calls that occur before the documented credential-change workflow completes.
Monitoring Recommendations
- Forward API Connect audit and authentication logs to a centralized SIEM for correlation with network access logs.
- Monitor management-plane network segments for inbound traffic to API Connect from untrusted zones.
- Track configuration drift on API Connect components and flag unauthorized policy or user changes.
How to Mitigate CVE-2026-3144
Immediate Actions Required
- Apply the fix referenced in the IBM Support Page for IBM API Connect 12.1.0.0 through 12.1.0.3.
- Rotate all default and administrative credentials on every API Connect instance immediately after deployment.
- Restrict network access to the API Connect management interface to trusted administrative networks only.
Patch Information
IBM has published remediation guidance for CVE-2026-3144 on the IBM Support Page. Administrators running IBM API Connect versions 12.1.0.0 through 12.1.0.3 should apply the vendor-provided update and follow IBM's post-installation hardening steps.
Workarounds
- Place API Connect management endpoints behind a VPN or jump host until credentials have been rotated and the patch applied.
- Enforce strong, unique passwords and multi-factor authentication on all API Connect administrative accounts as part of the deployment runbook.
- Review and remove any residual default accounts that are not required for operation.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
