CVE-2026-16180: app connect — Fix

Description

IBM App Connect Enterprise 13.0.1.0 through 13.0.8.1, and 12.0.1.0 through 12.0.12.28 and IBM Integration Bus for z/OS 10.1.0.0 through 10.1.0.7 Toolkit could allow an authenticated user to cause a denial-of-service condition due to improper validation of XML entities.

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CVSS v3.1 Score

5.7

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

EPSS — Exploit Prediction

0.0022

Probability of exploitation

0.13%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-776 CWE-776

Affected Products

Vendor	Product	Versions
ibm	app_connect_enterprise	12.0.1.0 — 12.0.12.29
ibm	app_connect_enterprise	13.0.1.0 — 13.0.8.2
ibm	integration_bus_for_z\/os	10.1.0.0 — 10.1.0.7

References

Advisories & Patches

https://www.ibm.com/support/pages/node/7286372

Frequently Asked Questions

What is CVE-2026-16180? +

IBM App Connect Enterprise 13.0.1.0 through 13.0.8.1, and 12.0.1.0 through 12.0.12.28 and IBM Integration Bus for z/OS 10.1.0.0 through 10.1.0.7 Toolkit could allow an authenticated user to cause a denial-of-service condition due to improper validation of XML entities. It has a CVSS v3.1 base score of 5.7 (MEDIUM).

How severe is CVE-2026-16180? +

CVE-2026-16180 has a CVSS v3.1 score of 5.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0022, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-16180? +

CVE-2026-16180 affects products from ibm, specifically: app_connect_enterprise, integration_bus_for_z\/os. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-16180? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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