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CriticalVulnerabilityCVE-2026-92559updated 25 Oct 2026, 18:50 UTC

IBM App Connect Enterprise exposes sensitive data to remote attackers

A network service in IBM App Connect Enterprise listens on every network address instead of only the ones it should. This can let outsiders on the network reach it and read information they should not see.

Official, 2 sources
SeverityCriticalCVSS 9.8 of 10
Being exploited?UnclearNo reports either way yet
Fix available?UnclearNo fixed version published in the sources yet
How sure is this?Official, 2 sourcesBacked by an official source

How the attack works simplified

  1. 1Remote attackerScans for reachable servers on the network
  2. 2Open listenerService bound to all IP addresses
  3. 3App Connect serviceResponds to unauthenticated requests
  4. 4Sensitive dataInformation returned to the attacker
  5. ResultAttacker obtains sensitive information

What happened

IBM App Connect Enterprise versions 13.0.1.0 through 13.0.8.2 bind a component to an unrestricted IP address, allowing remote access to sensitive information.

Why it is dangerous: A remote attacker without credentials could obtain sensitive data from affected servers, which may include business or configuration information. Organizations exposing these servers to a network are most at risk.

Are you affected?

You are affected if you run IBM App Connect Enterprise from 13.0.1.0 through 13.0.8.2 on a network reachable by others.

IBM App Connect Enterprise 13.0.1.0 through 13.0.8.2

What to do

  1. Check whether your IBM App Connect Enterprise version falls within 13.0.1.0 through 13.0.8.2.
  2. Restrict network access to the affected server with a firewall so only trusted hosts can connect.
  3. Apply the official IBM fix or update once you have confirmed it, as no fixed version is named in the available material.

Timeline

  1. 20 Oct 2026, 22:21 UTC
    Publicly disclosed
  2. 20 Oct 2026, 22:21 UTC
    Reported by NVD · NVD
  3. 25 Oct 2026, 18:50 UTC
    GitHub Advisory reported on it · GitHub Advisory

Sources 2 reports, oldest first

Official vendor, government CERT or advisory database

Technical details

ID
CVE-2026-92559 · GHSA-whvr-2wmv-7ppj
CVSS
9.8 / 10
EPSS
0.5% chance of exploitation within 30 days
Disclosed
20 Oct 2026, 22:21 UTC
On Zero Radar
before the radar started
Last change
25 Oct 2026, 18:50 UTC

The plain-language parts and the attack diagram were written by an AI model (anthropic/claude-haiku-5.5) from the sources above. Facts like versions, exploitation and dates come from the sources themselves. How Zero Radar works

IBM App Connect Enterprise exposes sensitive data to remote attackers · Zero Radar