IBM App Connect Enterprise up to 12.0.12.27/13.0.7.2 path traversal

Summaryinfo

A vulnerability identified as very critical has been detected in IBM App Connect Enterprise up to 12.0.12.27/13.0.7.2. This vulnerability affects unknown code. The manipulation leads to path traversal. This vulnerability is uniquely identified as CVE-2026-15435. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in IBM App Connect Enterprise up to 12.0.12.27/13.0.7.2 and classified as very critical. This issue affects some unknown functionality. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at ibm.com. The identification of this vulnerability is CVE-2026-15435 since 07/10/2026. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/30/2026). The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• IBM

Name

• App Connect Enterprise

Version

• 12.0.12.0
• 12.0.12.1
• 12.0.12.2
• 12.0.12.3
• 12.0.12.4
• 12.0.12.5
• 12.0.12.6
• 12.0.12.7
• 12.0.12.8
• 12.0.12.9
• 12.0.12.10
• 12.0.12.11
• 12.0.12.12
• 12.0.12.13
• 12.0.12.14
• 12.0.12.15
• 12.0.12.16
• 12.0.12.17
• 12.0.12.18
• 12.0.12.19
• 12.0.12.20
• 12.0.12.21
• 12.0.12.22
• 12.0.12.23
• 12.0.12.24
• 12.0.12.25
• 12.0.12.26
• 12.0.12.27
• 13.0.7.0
• 13.0.7.1
• 13.0.7.2

License

• commercial

Website

• Vendor: https://www.ibm.com/

CPE 2.3info

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CPE 2.2info

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