CVE-2026-59860

Kiota is an OpenAPI based HTTP Client code generator. Prior to 1.29.1 and 1.32.3, Kiota is affected by a code-generation injection vulnerability in the C# XML documentation-comment sink (the description, externalDocs label, and externalDocs link fields emitted as /// … comments). When text from an OpenAPI description is written into single-line XML doc comments without stripping newline and Unicode line-terminator characters, an attacker can break out of the /// comment line and inject additional code into generated C# clients. This issue is fixed in version 1.29.1 and 1.32.3.

• CWE-94

• https://github.com/microsoft/kiota/commit/ebb632db90aa8e3c20949337d9faa2720d64ca44
• https://github.com/microsoft/kiota/pull/7831
• https://github.com/microsoft/kiota/releases/tag/v1.32.3
• https://github.com/microsoft/kiota/security/advisories/GHSA-3hrf-2gc2-mx32
• https://github.com/microsoft/kiota/security/advisories/GHSA-3hrf-2gc2-mx32

Published

Jul 16, 2026

Last Modified

Aug 17, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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