CVE-2026-59866: Kiota Unsafe Static Template File
An unvalidated external file reference is directly converted into a JSON node. If this JSON is generated into a manifest or file system package, it can introduce a path traversal vulnerability (CWE-22 / CWE-829). Always validate paths against absolute URIs, Windows drive paths, and parent-directory ('..') traversal before serialization.
C#greprules fetch cve-2026-59866-kiota-unsafe-static-template-file --engine opengrepDescription
An unvalidated external file reference is directly converted into a JSON node. If this JSON is generated into a manifest or file system package, it can introduce a path traversal vulnerability (CWE-22 / CWE-829). Always validate paths against absolute URIs, Windows drive paths, and parent-directory ('..') traversal before serialization.
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