CVE-2026-15435: IBM App Connect Enterprise is vulnerable to arbitrary file write vulnerability

Published Jul 30, 2026
·
Updated

IBM 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 system. An attacker could send a specially crafted URL request containing "dot dot" sequences (/../) to write arbitrary files on the system.

Other sources

IBM App Connect Enterprise could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot" sequences (/../) to write arbitrary files on the system.

— IBM

Affected Software

5 affected componentsFixes available
IBM App Connect Enterprise>=13.0.1.0<=13.0.7.2, >=12.0.1.0<=12.0.12.27
IBM App Connect Enterprise<=13.0.1.0 - 13.0.7.2
IBM App Connect Enterprise<=12.0.1.0 - 12.0.12.27
IBM App Connect Enterprise>=12.0.1.0<12.0.12.28
IBM App Connect Enterprise>=13.0.1.0<13.0.8.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade IBM App Connect Enterprise 13.0.1.0 - 13.0.7.2 to a version that resolves this vulnerability.

    Fixed in 13.0.8.0Patch IT49737
  2. Upgrade

    Upgrade IBM App Connect Enterprise 12.0.1.0 - 12.0.12.27 to a version that resolves this vulnerability.

    Fixed in 12.0.12.28Patch IT49737

Event History

Jul 30, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
CVE Published
via MITRE·02:08 PM
Data Sourced
via MITRE·02:08 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·03:16 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2026-15435?

The severity of CVE-2026-15435 is rated as critical with a score of 9.8.

2

What vulnerabilities does CVE-2026-15435 exploit?

CVE-2026-15435 exploits a path traversal vulnerability that allows arbitrary file write through directory traversal techniques.

3

How do I fix CVE-2026-15435?

To fix CVE-2026-15435, upgrade IBM App Connect Enterprise to version 13.0.7.3 or 12.0.12.28 or later.

4

Which versions of IBM App Connect Enterprise are affected by CVE-2026-15435?

IBM App Connect Enterprise versions 13.0.1.0 through 13.0.7.2 and 12.0.1.0 through 12.0.12.27 are affected by CVE-2026-15435.

5

What types of attacks can CVE-2026-15435 enable?

CVE-2026-15435 can enable remote attackers to write arbitrary files on the system via specially crafted URL requests.

Company

Resources

Contact

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