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Vulnerabilities CVE-2026-59863

CVE-2026-59863

High
Open
TLP:CLEAR

Kiota: Workspace-config poisoning: out-of-repo file write + generation-time SSRF

AI Analysis

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Description

Kiota is an OpenAPI based HTTP Client code generator. Prior to 1.29.1 and 1.32.5, Kiota honored a poisoned .kiota/workspace.json workspace configuration without validating per-client or per-plugin outputPath values during kiota client generate and kiota plugin generate, allowing a malicious repository or pull request to use absolute paths, rooted POSIX / paths, UNC \\ or // paths, Windows drive X:\ paths, or .. traversal segments to write generated client files outside the workspace root on a developer or CI host. This issue is fixed in version 1.29.1 and 1.32.5.

Details

CVSS Score
7.0
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N
Confidence
90%
Published
Jul 16, 2026
Last Modified
Aug 17, 2026
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