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Vulnerability Intelligence Report
Kiota: Unsafe oauth_card_path references in Kiota-generated API plugin manifests

CVE-2026-105795

Kiota is an OpenAPI based HTTP Client code generator. From 1.25.1 until 1.35.0, Kiota copies x-ai-capabilities.response_semantics.oauth_card_path from an attacker-controlled or compromised OpenAPI description into a generated API plugin manifest without validating that the value is a safe package-relative file reference. Parent-directory traversal, rooted paths, or absolute URIs can therefore reach a consuming host that resolves the reference, allowing the host to cross the intended plugin-package boundary or use an unintended authentication card. Kiota does not itself read a local file or execute code merely while generating the manifest, and impact requires downstream resolution of the unsafe reference. This issue is fixed in version 1.35.0.

Path Traversal No Active Exploit Signals
CVSS Base Score
3.1
LOW
Exploitability:1.7
Impact Score:1.5
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
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Weaponization
—
SSVC Action
—

Weaknesses (CWE)

CWE-22 ↗CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected Products & Versions

Vendor Product Affected Versions
microsoft kiota >= 1.25.1, < 1.35.0 (affected)
microsoft Microsoft.OpenApi.Kiota >= 1.25.1, < 1.35.0 (affected)
microsoft Microsoft.OpenApi.Kiota.Builder >= 1.25.1, < 1.35.0 (affected)

References & Technical Advisories

No reference links found.

Threat Intelligence Signals

Vulnerability Class
Path Traversal

Identity & Timeline

StatusPUBLISHED
Assigning AuthorityGitHub, Inc. · Vendor · USA
Reserved2026-10-05T20:37:19
Published2026-10-06T14:19:03
Last Updated2026-10-06T17:17:57

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