CVE-2026-59867

HighCVSS 7.1/10Last modified Oct 24, 2026

Description

Kiota is an OpenAPI based HTTP Client code generator. Prior to 1.29.1 and 1.32.5, Kiota resolved OpenAPI $ref values by fetching remote http(s) 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 SSRF, remote file inclusion, and local file inclusion by inlining external schemas such as REMOTE_KIOTA_PROP or Leaked into generated clients. This issue is fixed in version 1.29.1 and 1.32.5 by AllowedExternalOriginsStreamLoader and the --allowed-external-origins option.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

Weakness enumeration

CWE-22 CWE-829 CWE-918

Affected software

Vendor	Product	Versions
microsoft	kiota	>= 1.30.0, < 1.31.1; < 1.29.1

References

Timeline

Published: Jul 16, 2026
Last modified: Oct 24, 2026
NVD status: Deferred

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