CVE-2026-19131: IBM API Connect missing authorization in index access

CVE-2026-19131 · Severity: medium · CVSS 6.5 · Published 2026-11-07

IBM API Connect is an API management platform used by enterprises to design, publish, and manage APIs. A flaw in versions 12.1.0.0 through 12.1.1.2 allows low-privileged users to bypass authorization controls and query arbitrary data indices, potentially exposing sensitive business data and customer information.

Technologies: IBM API Connect. Vendors: IBM.

Quick answers

Is CVE-2026-19131 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-19131 being exploited in the wild.
How severe is CVE-2026-19131?
Medium severity, with a CVSS score of 6.5, published 7 November 2026.
Which products and versions are affected?
IBM API Connect 12.1.0.0 through 12.1.1.2.
Is there a fix for CVE-2026-19131?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-19131 attacked?
It is attacked over the network.
Am I affected by CVE-2026-19131?
Check whether you run IBM API Connect at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

This vulnerability stems from missing authorization checks on index query endpoints in API Connect. A low-privileged authenticated attacker can directly request arbitrary indices over the network, bypassing intended access controls. The missing authorization allows unauthorized data exposure without requiring additional user interaction or elevated privileges.

Affected products

  • IBM API Connect 12.1.0.0 through 12.1.1.2

Timeline

  • 2026-11-07: disclosed

References

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