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IBM App Connect Enterprise is vulnerable to privilege escalation and Denial of Service

Risk 79
Severity
8.8
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

IBM 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 restrictions due to incorrect authorization.

1 / 2
Source: MITRE
First published (updated )
CVE-2026-75624

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

Risk 38
Severity
6.5
XEE
AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

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 authenticated attacker to obtain sensitive information due to an XML external entity (XXE) injection.

1 / 2
Source: MITRE

Remedy

IBM strongly recommends addressing the vulnerability/vulnerabilities now by applying the appropriate fix to IBM App Connect Enterprise and IBM Integration Bus for z/OS Affected Product(s)Version(s)APAR Remediation / Fixes IBM App Connect Enterprise13.0.1.0 - 13.0.8.1IT49773 The APAR (IT49773) is available from  IBM App Connect Enterprise v13- Fix Pack Release 13.0.8.2 https://www.ibm.com/support/pages/node/7285177 IBM App Connect Enterprise12.0.1.0 - 12.0.12.28IT49773 The APAR (IT49773) is available from  IBM App Connect Enterprise v12- Fix Pack Release 12.0.12.29 https://www.ibm.com/support/pages/node/7284253 IBM Integration Bus for z/OS10.1.0.0 - 10.1.0.7IT49773 Interim Fix for APAR (IT49773) is available to apply to 10.1.0.7 from IBM Fix Central https://www.ibm.com/support/fixcentral/swg/selectFixes
First published (updated )
CVE-2026-17444

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

Risk 32
Severity
5.5
AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

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 obtain sensitive information due to credentials being written to trace logs in cleartext.

1 / 2
Source: MITRE
First published (updated )
CVE-2026-17442

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

Risk 38
Severity
6.5
XEE
AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

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 authenticated attacker to obtain sensitive information due to an XML external entity (XXE) injection flaw.

1 / 2
Source: MITRE

Remedy

IBM strongly recommends addressing the vulnerability/vulnerabilities now by applying the appropriate fix to IBM App Connect Enterprise and IBM Integration Bus for z/OS Affected Product(s)Version(s)APAR Remediation / Fixes IBM App Connect Enterprise13.0.1.0 - 13.0.8.1IT49773 The APAR (IT49773) is available from  IBM App Connect Enterprise v13- Fix Pack Release 13.0.8.2 https://www.ibm.com/support/pages/node/7285177 IBM App Connect Enterprise12.0.1.0 - 12.0.12.28IT49773 The APAR (IT49773) is available from  IBM App Connect Enterprise v12- Fix Pack Release 12.0.12.29 https://www.ibm.com/support/pages/node/7284253 IBM Integration Bus for z/OS10.1.0.0 - 10.1.0.7IT49773 Interim Fix for APAR (IT49773) is available to apply to 10.1.0.7 from IBM Fix Central https://www.ibm.com/support/fixcentral/swg/selectFixes
First published (updated )
CVE-2026-17443

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

Risk 36
Severity
6.2
AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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 obtain sensitive information due to improper logging of database credentials.

1 / 2
Source: MITRE
First published (updated )
CVE-2026-19649

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

Risk 43
Severity
7.5
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

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.

1 / 2
Source: MITRE

Remedy

IBM strongly recommends addressing the vulnerability/vulnerabilities now by applying the appropriate fix to IBM App Connect Enterprise and IBM Integration Bus for z/OS Affected Product(s)Version(s)APAR Remediation / Fixes IBM App Connect Enterprise13.0.1.0 - 13.0.8.1IT49773 The APAR (IT49773) is available from  IBM App Connect Enterprise v13- Fix Pack Release 13.0.8.2 https://www.ibm.com/support/pages/node/7285177 IBM App Connect Enterprise12.0.1.0 - 12.0.12.28IT49773 The APAR (IT49773) is available from  IBM App Connect Enterprise v12- Fix Pack Release 12.0.12.29 https://www.ibm.com/support/pages/node/7284253 IBM Integration Bus for z/OS10.1.0.0 - 10.1.0.7IT49773 Interim Fix for APAR (IT49773) is available to apply to 10.1.0.7 from IBM Fix Central https://www.ibm.com/support/fixcentral/swg/selectFixes
First published (updated )
CVE-2026-78543

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

Risk 33
Severity
5.7
AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

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 Toolkit could allow an authenticated user to cause a denial-of-service condition due to improper validation of XML entities.

1 / 2
Source: MITRE
First published (updated )
CVE-2026-16180

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

Risk 32
Severity
5.5
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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.

1 / 2
Source: MITRE

Remedy

IBM strongly recommends addressing the vulnerability/vulnerabilities now by applying the appropriate fix to IBM App Connect Enterprise and IBM Integration Bus for z/OS Affected Product(s)Version(s)APAR Remediation / Fixes IBM App Connect Enterprise13.0.1.0 - 13.0.8.1IT49773 The APAR (IT49773) is available from  IBM App Connect Enterprise v13- Fix Pack Release 13.0.8.2 https://www.ibm.com/support/pages/node/7285177 IBM App Connect Enterprise12.0.1.0 - 12.0.12.28IT49773 The APAR (IT49773) is available from  IBM App Connect Enterprise v12- Fix Pack Release 12.0.12.29 https://www.ibm.com/support/pages/node/7284253 IBM Integration Bus for z/OS10.1.0.0 - 10.1.0.7IT49773 Interim Fix for APAR (IT49773) is available to apply to 10.1.0.7 from IBM Fix Central https://www.ibm.com/support/fixcentral/swg/selectFixes
First published (updated )
CVE-2026-17440

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

Risk 44
Severity
7.7
XEE
AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

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 SAP Adapter is vulnerable to an XML external entity (XXE) attack.

1 / 2
Source: MITRE
First published (updated )
CVE-2026-81832

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

Risk 36
Severity
6.2
AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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 obtain sensitive information due to improper logging of credentials.

1 / 2
Source: MITRE
First published (updated )
CVE-2026-16689

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