What’s Vulnerable › Vulnerabilities

CVE-2026-73851: Kiota: Path traversal in generated plugin manifest static_template.file reference (percent-encoding bypass)

• Severity: medium (CVSS 6.1 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-17 · updated 2026-10-24
• Weakness: CWE-22

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.

Affected products

• microsoft kiota: from 1.30.0, < 1.34.0; before 1.29.1

References

• https://github.com/microsoft/kiota/commit/430008e9d700b3fe80f206c672415cfbd8e830e7
• https://github.com/microsoft/kiota/commit/de3d18d9fe31ced4ac749728d3a2f94811f59268
• https://github.com/microsoft/kiota/issues/7912
• https://github.com/microsoft/kiota/pull/7910
• https://github.com/microsoft/kiota/pull/7913
• https://github.com/microsoft/kiota/releases/tag/v1.29.1
• https://github.com/microsoft/kiota/releases/tag/v1.34.0
• https://github.com/microsoft/kiota/security/advisories/GHSA-p5rm-jg5c-8c77

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