EUVD-2026-44928

Microsoft Kiota: Code Generation Literal Injection in Kiota PHP Generator...

Arbitrary Code Injection

Overview Affected versions of this package are vulnerable to Arbitrary Code Injection through the string escaping logic in StringExtensions and the PHP writers that emit double-quoted literals. An attacker can inject and execute arbitrary PHP code in generated model and request-builder classes by...

Arbitrary Code Injection

Overview Affected versions of this package are vulnerable to Arbitrary Code Injection through the string escaping logic in StringExtensions and the PHP writers that emit double-quoted literals. An attacker can inject and execute arbitrary PHP code in generated model and request-builder classes by...

CVE-2026-59859

Kiota’s PHP generator (prior to 1.32.4) embeds OpenAPI-derived strings directly into PHP double-quoted literals via SanitizeDoubleQuote(), without escaping $. This permits attacker-controlled interpolation constructs like ${…}, $var, or {$obj->prop} to inject arbitrary PHP code into generated ...