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9.8

IBM API Connect lets remote attacker change tenants

CVE-2026-17362 · published 1 day ago
Summary

Versions 12.1.0.0 through 12.1.1.2 of IBM API Connect on‑premises can be accessed over the network to add, edit, or remove tenant accounts without proper checks. This could let an outsider take control of parts of your integration platform. Apply the latest IBM patches and limit network access to the management interfaces.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
ibm api connect <= 12.1.1.2
ibm api connect v12 onprem <= 12.1.1.2
Original advisory text
Multiple Vulnerabilities in IBM API Connect
IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote attacker to create, modify, or delete tenants due to missing authorization.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker full control (estimated)
Severity
9.8 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-862Missing Authorization
Timeline
Published7 Nov 2026
Updated7 Nov 2026
First seen7 Nov 2026
Sources
CVE-2026-17362 · NVD
CVE-2026-17362 · MITRE
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