{"id":"CVE-2026-59859","revision":"afbcd21ae61e4bd79b1779efbe042140","records":[{"revision":"afbcd21ae61e4bd79b1779efbe042140","observedAt":"2026-10-25T14:19:22.811+00:00","statement":{"source":"nvd","id":"CVE-2026-59859","aliases":[],"title":"Kiota is an OpenAPI based HTTP Client code generator. Prior to 1.29.1 and 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 S…","description":"Kiota is an OpenAPI based HTTP Client code generator. Prior to 1.29.1 and 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 1.29.1 and 1.32.4.","state":0,"publishedAt":"2026-07-16T15:16:35.167+00:00","modifiedAt":"2026-10-24T21:10:00.13+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · security-advisories@github.com · Secondary","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":8.7,"severity":"HIGH"}],"references":["https://github.com/microsoft/kiota/commit/5e2a211ac4261988fbdc72c3b268596ea8837b87","https://github.com/microsoft/kiota/pull/7863","https://github.com/microsoft/kiota/releases/tag/v1.32.4","https://github.com/microsoft/kiota/security/advisories/GHSA-jqwh-526h-c92j"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-59859","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-94"],"productCriteria":[],"sourceDates":{"published":"2026-07-16T15:16:35.167","lastModified":"2026-10-24T21:10:00.130"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-59859","identifiers":["CVE-2026-59859"]},"retained":false,"historicalAffected":[]}],"coverage":[]}