IBM webMethods API Gateway up to 10.11_Fix32/10.15_Fix27/11.1_Fix7 Endpoint /createapi  path traversal

Summaryinfo

A vulnerability was found in IBM webMethods API Gateway up to 10.11_Fix32/10.15_Fix27/11.1_Fix7 and classified as critical. The affected element is an unknown function of the file /createapi  of the component Endpoint. The manipulation results in path traversal. This vulnerability was named CVE-2026-2606. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in IBM webMethods API Gateway up to 10.11_Fix32/10.15_Fix27/11.1_Fix7. Affected is an unknown code of the file /createapi  of the component Endpoint. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality. CVE summarizes:

IBM webMethods API Gateway (on-prem) 10.11 through 10.11_Fix3210.15 to 10.15_Fix2711.1 to 11.1_Fix7 IBM webMethods API Management (on-prem) fails to properly validate user-supplied input passed to the url parameter on the /createapi endpoint. An attacker can modify this parameter to use a file:// URI schema instead of the expected https:// schema, enabling unauthorized arbitrary file read access on the underlying server file system.

The advisory is available at ibm.com. This vulnerability is traded as CVE-2026-2606 since 02/16/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 03/04/2026). This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Automation Software

Vendor

• IBM

Name

• webMethods API Gateway

Version

• 10.11_Fix32
• 10.15_Fix27
• 11.1_Fix7

License

• commercial

Website

• Vendor: https://www.ibm.com/

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