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HighVulnerabilityupdated 26 Oct 2026, 12:34 UTC

IBM App Connect Enterprise has several security flaws

IBM App Connect Enterprise is software that links business applications together. Several weaknesses in it could let an attacker bypass protections, crash the service, read data, change files, or run their own code.

Official source
SeverityHighVulnerability
Being exploited?UnclearNo reports either way yet
Fix available?UnclearNo fixed version published in the sources yet
How sure is this?Official sourceBacked by an official source

What happened

Multiple vulnerabilities in IBM App Connect Enterprise enable security bypass, denial of service, information disclosure, file manipulation, cross-site scripting, SQL injection, and arbitrary code execution. A later advisory reduced the rating for some of the flaws to medium.

Why it is dangerous: Successful exploitation could let attackers take over or disrupt integration services and reach the data they process. Organizations running this product on affected versions are at risk.

Are you affected?

You are affected if you run IBM App Connect Enterprise on an affected version.

What to do

  1. Check which IBM App Connect Enterprise version you run and compare it with IBM's security bulletin
  2. Install the fixed version or the official IBM mitigation as soon as possible
  3. Restrict network access to the service until patched

Timeline

  1. 23 Oct 2026, 10:45 UTC
    Publicly disclosed
  2. 23 Oct 2026, 10:45 UTC
    Reported by CERT-Bund (BSI) · CERT-Bund (BSI)
  3. 25 Oct 2026, 15:20 UTC
    Picked up by Zero Radar
  4. 26 Oct 2026, 12:30 UTC
    Reported by CERT-Bund (BSI) · CERT-Bund (BSI)

Sources 2 reports, oldest first

Official vendor, government CERT or advisory database

Technical details

ID
ZR-e93ddfe2 · ZR-5e9d248a
Disclosed
23 Oct 2026, 10:45 UTC
On Zero Radar
25 Oct 2026, 15:20 UTC (2 days after disclosure)
Last change
26 Oct 2026, 12:34 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 has several security flaws · Zero Radar