Microsoft Kiota: Code Generation Literal Injection in Kiota PHP Generator

Impact The Kiota PHP code generator is vulnerable to a code generation literal injection attack. The generator embeds string values from OpenAPI fields e.g. description, default values, and property names directly into PHP double-quoted string literals without properly escaping the $ character...

CVE-2026-59867

Kiota is an OpenAPI based HTTP Client code generator. Prior to 1.32.5, Kiota resolved OpenAPI $ref values by fetching remote https URLs and reading local absolute or out-of-tree file paths, allowing kiota generate on an attacker-controlled or attacker-influenced description to perform build-time...

CVE-2026-59859 Kiota: Code Generation Literal Injection in the PHP Generator

Kiota is an OpenAPI based HTTP Client code generator. Prior to 1.32.4, Kiota's PHP generator embedded OpenAPI description, default fields, property names, and other schema-derived strings into PHP double-quoted literals through SanitizeDoubleQuote in Writers/StringExtensions.cs without escaping $...