Review reviewCritical

CVE-2026-3144

IBM API Connect, api connect

IBM API Connect 12.1.0.0 through 12.1.0.3 uses default credentials which could allow an attacker to gain unauthorized access to the application before the system enforces a credential update.

CVSS
9.8
EPSS
0.23%
14.4% percentile
CISA KEV
Not listed
Published
2026.07.09
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.23%
Technical severityCVSS 9.8

Vulnerability overview

IBM API Connect 12.1.0.0 through 12.1.0.3 uses default credentials which could allow an attacker to gain unauthorized access to the application before the system enforces a credential update.

Affected product and versions

Product
IBM API Connect, api connect
Affected versions
12.1.0.0, >= 12.1.0.0 < 12.1.1.0
Fixed versions
12.1.1.0

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that IBM API Connect, api connect and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-1392