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Vulnerability · Published Sep 4, 2026 · Assigned by ibm

CVE-2026-78543IBM App Connect Enterprise and IBM Integration Bus for z/OS Adapter nodes are vulnerable to multiple CVEs

Medium 5.3

In plain English

A medium-severity infinite loop in App Connect Enterprise from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.5%top 53.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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 could allow a remote attacker to cause a denial of service due to an infinite loop.

Affected products (as reported)

VendorProductVersions
IBM App Connect Enterprise 13.0.1.0 – through 13.0.8.112.0.1.0 – through 12.0.12.28
IBM Integration Bus for z/OS 10.1.0.0 – through 10.1.0.7

Weakness: CWE-835 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References