CVE-2026-2606
Improper Input Validation in IBM webMethods API Gateway Enables Arbitrary File Read
Publication date: 2026-03-03
Last updated on: 2026-03-05
Assigner: IBM Corporation
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| ibm | webmethods_api_gateway | 10.11 |
| ibm | webmethods_api_gateway | 10.11 |
| ibm | webmethods_api_gateway | 10.15 |
| ibm | webmethods_api_gateway | 10.15 |
| ibm | webmethods_api_gateway | 11.1 |
| ibm | webmethods_api_gateway | 11.1 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| 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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
[{'type': 'paragraph', 'content': 'The CVE-2026-2606 vulnerability affects IBM webMethods API Management (on-premises) due to improper validation of user-supplied input in the "url" parameter on the /createapi endpoint.'}, {'type': 'paragraph', 'content': 'Specifically, the system fails to restrict the URI schema, allowing an attacker to replace the expected "https://" schema with a "file://" URI schema.'}, {'type': 'paragraph', 'content': 'This flaw enables unauthorized arbitrary file read access on the underlying server file system, representing a path traversal vulnerability categorized under CWE-22.'}] [1]
How can this vulnerability impact me? :
[{'type': 'paragraph', 'content': 'An attacker exploiting this vulnerability can gain unauthorized access to arbitrary files on the server\'s file system by manipulating the "url" parameter to use the "file://" URI schema.'}, {'type': 'paragraph', 'content': 'This can lead to a high confidentiality impact as sensitive files might be exposed, although the vulnerability does not affect integrity or availability.'}, {'type': 'paragraph', 'content': 'The vulnerability has a CVSS v3.1 base score of 6.5, indicating a moderate severity with network attack vector, low attack complexity, and requiring low privileges.'}] [1]
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
[{'type': 'paragraph', 'content': 'To mitigate the CVE-2026-2606 vulnerability in IBM webMethods API Gateway (on-premises), IBM recommends applying the appropriate fixes for your product version: 10.11_Fix33, 10.15_Fix28, or 11.1_Fix8.'}, {'type': 'paragraph', 'content': "These fixes can be installed using the IBM webMethods Update Manager tool available on IBM's Fix Central website."}, {'type': 'paragraph', 'content': 'No workarounds or alternative mitigations are provided, so applying the official fixes is the immediate recommended action.'}, {'type': 'paragraph', 'content': 'Additionally, customers are advised to subscribe to IBM notifications for future security alerts.'}] [1]