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Vulnerabilities CVE-2026-73851

CVE-2026-73851

Medium
Open
TLP:CLEAR

Kiota: Path traversal in generated plugin manifest static_template.file reference (percent-encoding bypass)

AI Analysis

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Description

Kiota is an OpenAPI based HTTP Client code generator. Prior to 1.29.1 and 1.34.0, an attacker who controls or tampers with the OpenAPI description consumed by Kiota can supply a file reference that resolves outside the manifest package (e.g. ../../../../etc/passwd, an absolute path, or a file:// / http(s):// URI). When the generated manifest is deployed and consumed by an AI host, this can lead to inclusion or disclosure of files outside the intended package boundary. This vulnerability is fixed in 1.29.1 and 1.34.0.

Details

CVSS Score
6.1
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N
Confidence
90%
Published
Aug 17, 2026
Last Modified
Aug 17, 2026
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