SEPTEMBER 9, 2026
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Case File

CVE-2026-59859

HIGH · CVSS 8.7 EPSS 1.02% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-07-16 · Last synced 2026-08-15

CyberRota Analysis

AI-Generated

The Kiota PHP generator prior to version 1.32.4 is vulnerable to arbitrary code injection due to improper handling of double-quoted literals, which allows attackers to exploit interpolation constructs. This could lead to unauthorized code execution within generated PHP classes, posing a significant risk to applications utilizing this code. Developers and organizations using Kiota for PHP code generation should prioritize upgrading to version 1.32.4 to mitigate this vulnerability.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-59859
Severity
HIGH
CVSS
8.7
EPSS
1.02%

Original NVD Description

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 $, allowing attacker-controlled ${...}, $var, or {$obj->prop} interpolation constructs to inject arbitrary PHP code into generated model and request-builder classes. This issue is fixed in version 1.32.4.