CVE-2026-17440

MEDIUM CVSS 3.1: 5.5 EPSS 0.10%
Updated Sep 09, 2026
IBM
Parameter Value
CVSS 5.5 (MEDIUM)
Affected Versions 10.1.0.0 — 13.0.8.2
Fixed In 12.0.12.29
Type CWE-674
Vendor IBM
Public PoC No

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 could allow a local attacker to cause a denial of service due to uncontrolled recursion.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 3

Configuration From (including) Up to (excluding)
Ibm App_Connect_Enterprise
cpe:2.3:a:ibm:app_connect_enterprise:*:*:*:*:*:*:*:*
12.0.1.0 12.0.12.29
Ibm App_Connect_Enterprise
cpe:2.3:a:ibm:app_connect_enterprise:*:*:*:*:*:*:*:*
13.0.1.0 13.0.8.2
Ibm Integration_Bus_For_Z\/Os
cpe:2.3:a:ibm:integration_bus_for_z\/os:*:*:*:*:*:*:*:*
10.1.0.0 <= 10.1.0.7