RCE in Microsoft Kiota
CVE-2026-59861
Kiota is an OpenAPI based HTTP Client code generator. Prior to 1.32.0, Kiota's Ruby generator embedded OpenAPI default fields, property names, and other schema-derived strings through CodeMethodWriter.cs and SanitizeForQuotedLiteral() in W…
Vulnerability class: RCE (Remote Code Execution)
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Microsoft Kiota — versions < 1.32.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-59861?
- CVE-2026-59861 is a high-severity vulnerability in Microsoft Kiota, classified under Code Injection. CVSS score: 7.5/10. Published 2026-07-16.
- How severe is CVE-2026-59861?
- High severity. CVSS v3 base score is 7.5 out of 10.