CVE-2026-2606 IBM webMethods API Management fails to validate user input and enables unauthorized arbitrary file read
An attacker can read arbitrary files on the server by manipulating the URL parameter in the API creation endpoint.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-2606?
CVE-2026-2606 is a medium-severity path traversal vulnerability in IBM webMethods API Gateway (on-prem), published on 3 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-22
Which versions are affected by CVE-2026-2606?
It affects 1 product.
Products include Ibm Webmethods Api Gateway.
How do I fix CVE-2026-2606?
No fix has been published for CVE-2026-2606 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-2606 being exploited?
There is no known exploitation of CVE-2026-2606 in the wild and no public exploit code.
Sources
Also known as GHSA-hr7m-p5p9-684r.