GHSA-4JWF-M4WG-8P66 Microsoft Kiota: Path/URL injection into generated Copilot plugin manifest via x-ai-* extensions

Summary kiota plugin add / kiota plugin generate with -t APIPlugin emits an attacker-controlled statictemplate.file path from the AI-plugin extensions x-ai-adaptive-card, x-ai-capabilities verbatim, with no path validation, into the generated Microsoft 365 Copilot / Teams plugin manifest...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal through PluginsGenerationService in the plugin manifest generation code. An attacker can make the generated Copilot or Teams plugin manifest reference files outside the plugin package by supplying an OpenAPI...

CVE-2026-59864 Kiota: Path/URL injection into generated Copilot plugin manifest via x-ai-* extensions

Kiota is an OpenAPI based HTTP Client code generator. Prior to 1.29.1 and 1.32.5, kiota plugin add and kiota plugin generate with -t APIPlugin emitted attacker-controlled statictemplate.file values from x-ai-adaptive-card and x-ai-capabilities into generated Microsoft 365 Copilot and Teams plugin...