Microsoft Kiota up to 1.32.4 Code Generator static_template.file path traversal

Summaryinfo

A vulnerability has been found in Microsoft Kiota up to 1.32.4 and classified as problematic. Affected is an unknown function of the file static_template.file of the component Code Generator. This manipulation causes path traversal. This vulnerability appears as CVE-2026-59864. The attack requires local access. There is no available exploit.

Detailsinfo

A vulnerability has been found in Microsoft Kiota up to 1.32.4 and classified as problematic. Affected by this vulnerability is an unknown part of the file static_template.file of the component Code Generator. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Kiota is an OpenAPI based HTTP Client code generator. Prior to 1.32.5, `kiota plugin add` and `kiota plugin generate` (with `-t APIPlugin`) emitted attacker-controlled static_template.file values from x-ai-adaptive-card and x-ai-capabilities into generated Microsoft 365 Copilot and Teams plugin manifests without path validation, allowing ../, absolute, rooted, UNC, Windows drive, or URI paths in response_semantics.static_template.file to cause path traversal or out-of-package file inclusion when the generated plugin was deployed. This issue is fixed in version 1.32.5.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-59864 since 07/07/2026. The exploitation appears to be easy. Attacking locally is a requirement. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/16/2026). The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

Upgrading to version 1.32.5 eliminates this vulnerability.

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Productinfo

Vendor

• Microsoft

Name

• Kiota

Version

• 1.32.0
• 1.32.1
• 1.32.2
• 1.32.3
• 1.32.4

License

• commercial

Website

• Vendor: https://www.microsoft.com/
• Product: https://github.com/microsoft/kiota/

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