Arbitrary Code Execution Vulnerability in IBM App Connect Enterprise
CVE-2026-17156

7.8HIGH

Key Information:

Vendor

IBM
Status
App Connect Enterprise
Vendor
CVE Published:
14 September 2026

What is CVE-2026-17156?

A vulnerability has been identified in specific versions of IBM App Connect Enterprise, where insecure deserialization could be exploited by a local attacker to execute arbitrary code. This flaw may lead to unauthorized access and manipulation of sensitive data, elevating the severity of the impact within affected systems. Users should review releases 13.0.1.0 through 13.0.8.0 and 12.0.1.0 through 12.0.12.27 to determine their risk exposure and apply available security measures as detailed in IBM's advisory.

Affected Version(s)

App Connect Enterprise 13.0.1.0 <= 13.0.8.0

App Connect Enterprise 12.0.1.0 <= 12.0.12.27

References

https://www.ibm.com/support/pages/node/7286530
vendor-advisorypatch

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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