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Vulnerability record · CVE-2026-78543 · published 4 September 2026

CVE-2026-78543: Ibm app connect enterprise vulnerability

Ibm · App Connect Enterprise

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.

7.5 CVSS 3.1 High EPSS 0.55% · top 56.3% CWE-835 · CWE-835
7.5CVSS 3.1 base score
0.55%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
1References
9 Sep 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.ibm.com/support/pages/node/7286372 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2026-15435Ibm app connect enterprise path traversal vulnerabilityIBM App Connect Enterprise 13.0.1.0 through 13.0.7.2, and 12.0.1.0 through 12.0.12.27 could allow a remote attacker to traverse directories on the sy…EPSS 0.73%9.8CVE-2026-14522Ibm app connect enterprise os command injection vulnerabilityIBM App Connect Enterprise 13.0.1.0 through 13.0.7.2, and 12.0.1.0 through 12.0.12.27 could allow a remote attacker to execute arbitrary commands due…EPSS 1.0%9.1CVE-2024-22317Ibm app connect enterprise improper restriction of authentication attempts vulnerabilityIBM App Connect Enterprise 11.0.0.1 through 11.0.0.24 and 12.0.1.0 through 12.0.11.0 could allow a remote attacker to obtain sensitive information or…EPSS 1.0%8.8CVE-2026-75624Ibm app connect enterprise incorrect authorization vulnerabilityIBM App Connect Enterprise 13.0.1.0 through 13.0.8.1, and 12.0.1.0 through 12.0.12.27 could allow a remote authenticated attacker to bypass security …EPSS 0.50%8.8CVE-2025-36361Ibm app connect enterprise missing authorization vulnerabilityIBM App Connect Enterprise 13.0.1.0 through 13.0.4.2, and 12.0.1.0 through 12.0.12.17 could allow an authenticated user to perform unauthorized actio…EPSS 0.22%7.7CVE-2026-81832Ibm app connect enterprise xml external entity (xxe) vulnerabilityIBM 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 SAP …EPSS 0.38%7.5CVE-2026-14519Ibm app connect enterprise path traversal vulnerabilityIBM App Connect Enterprise 13.0.1.0 through 13.0.7.2, and 12.0.1.0 through 12.0.12.27 could allow a remote attacker to read arbitrary files due to a …EPSS 0.62%7.5CVE-2026-12947Ibm app connect enterprise sensitive information in log file vulnerabilityIBM App Connect Enterprise 13.0.1.0 through 13.0.7.2, and 12.0.1.0 through 12.0.12.27 stores potentially sensitive information in log files that coul…EPSS 0.40%

Source: NIST National Vulnerability Database (record CVE-2026-78543), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.