IBM App Connect Entp 13.0.8.1 DoS via Infinite Loop
CVE-2026-78543 Published on September 4, 2026
IBM App Connect Enterprise and IBM Integration Bus for z/OS Adapter nodes are vulnerable to multiple CVEs
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.
Vulnerability Analysis
CVE-2026-78543 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a small impact on availability.
Weakness Type
What is an Infinite Loop Vulnerability?
The program contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. If the loop can be influenced by an attacker, this weakness could allow attackers to consume excessive resources such as CPU or memory.
CVE-2026-78543 has been classified to as an Infinite Loop vulnerability or weakness.
Products Associated with CVE-2026-78543
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Affected Versions
IBM App Connect Enterprise:- Version 13.0.1.0, <= 13.0.8.1 is affected.
- Version 12.0.1.0, <= 12.0.12.28 is affected.
- Version 10.1.0.0, <= 10.1.0.7 is affected.