OpenBMB XAgent up to 1.0.0 Workspace workspace.py file filename path traversal

Summaryinfo

A vulnerability identified as problematic has been detected in OpenBMB XAgent up to 1.0.0. This affects the function File of the file XAgent/XAgentServer/application/routers/workspace.py of the component Workspace. The manipulation of the argument filename leads to path traversal. This vulnerability is traded as CVE-2026-26396. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in OpenBMB XAgent up to 1.0.0 and classified as problematic. This issue affects the function file of the file XAgent/XAgentServer/application/routers/workspace.py of the component Workspace. The manipulation of the argument filename 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. The summary by CVE is:

OpenBMB XAgent v1.0.0 and before is vulnerable to path traversal in the file() function in XAgent/XAgentServer/application/routers/workspace.py. The input parameter “filename” is user-controllable and is concatenated into the file path to be read without proper validation, leading to a directory traversal vulnerability that may result in sensitive information disclosure.

The advisory is shared at gist.github.com. The identification of this vulnerability is CVE-2026-26396 since 02/16/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/13/2026). MITRE ATT&CK project uses the attack technique T1006 for this issue.

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

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Productinfo

Vendor

• OpenBMB

Name

• XAgent

Version

• 1.0

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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