CVE-2026-17156

High

Description

IBM App Connect Enterprise 13.0.1.0 through 13.0.8.0, and 12.0.1.0 through 12.0.12.27 could allow a local attacker to execute arbitrary code due to insecure deserialization.

SeverityHigh

CVSS7.8

Exploit probability—

Product

Ibm App Connect Enterprise

PublishedSep 14, 2026

First seenSep 14, 2026

Weakness typeCWE-502Deserialization of untrusted data

How to fix

Patches

ibm.com/support/pages/node/7286530

Affected products

Product	Affected versions	Fixed in
ibm app_connect_enterprise	13.0.1.0 ≤ v ≤ 13.0.8.0, 12.0.1.0 ≤ v ≤ 12.0.12.27	—

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