Kiota: Command injection via x-ms-kiota-info dependencyInstallCommand surfaced by `kiota info`
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-829.
Summary
Kiota is an OpenAPI based HTTP Client code generator. Prior to 1.29.1 and 1.32.5, `kiota info` read x-ms-kiota-info.languagesInformation.<language>.dependencyInstallCommand plus dependency name and version values from an OpenAPI description and presented the spec-supplied command as Kiota's recommended install command, allowing an attacker-controlled or compromised description to cause command injection when the suggested command was run manually or through the Kiota VS Code extension's kiota info --json dependency-install flow. This issue is fixed in version 1.29.1 and 1.32.5.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | kiota | 1.30.0 to before 1.31.1; before 1.29.1 | 1.31.1, 1.29.1 | Patch available | CNA |
| — | Microsoft.OpenApi.Kiota (NuGet) | 1.30.0 to before 1.32.5 | 1.32.5 | Patch available | GHSA-hq9q-27g5-qwpj |
| — | Microsoft.OpenApi.Kiota.Builder (NuGet) | 1.30.0 to before 1.32.5 | 1.32.5 | Patch available | GHSA-hq9q-27g5-qwpj |
| — | Microsoft.OpenApi.Kiota (NuGet) | before 1.29.1 | 1.29.1 | Patch available | GHSA-hq9q-27g5-qwpj |
| — | Microsoft.OpenApi.Kiota.Builder (NuGet) | before 1.29.1 | 1.29.1 | Patch available | GHSA-hq9q-27g5-qwpj |
- kiota VendorMicrosoft Affected 1.30.0 to before 1.31.1; before 1.29.1 Fixed in 1.31.1, 1.29.1 Patch available CNA
- Microsoft.OpenApi.Kiota (NuGet) Vendor— Affected 1.30.0 to before 1.32.5 Fixed in 1.32.5 Patch available GHSA-hq9q-27g5-qwpj
- Microsoft.OpenApi.Kiota.Builder (NuGet) Vendor— Affected 1.30.0 to before 1.32.5 Fixed in 1.32.5 Patch available GHSA-hq9q-27g5-qwpj
- Microsoft.OpenApi.Kiota (NuGet) Vendor— Affected before 1.29.1 Fixed in 1.29.1 Patch available GHSA-hq9q-27g5-qwpj
- Microsoft.OpenApi.Kiota.Builder (NuGet) Vendor— Affected before 1.29.1 Fixed in 1.29.1 Patch available GHSA-hq9q-27g5-qwpj
Remediation
- Fix · CNA kiota (microsoft) Fixed in 1.31.1, 1.29.1
- Fix · GHSA-hq9q-27g5-qwpj Microsoft.OpenApi.Kiota (NuGet) Fixed in 1.32.5 Advisory →
- Fix · GHSA-hq9q-27g5-qwpj Microsoft.OpenApi.Kiota.Builder (NuGet) Fixed in 1.32.5 Advisory →
- Fix · GHSA-hq9q-27g5-qwpj Microsoft.OpenApi.Kiota (NuGet) Fixed in 1.29.1 Advisory →
- Fix · GHSA-hq9q-27g5-qwpj Microsoft.OpenApi.Kiota.Builder (NuGet) Fixed in 1.29.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-59865
- 2026-10-03 Alias added: GHSA-hq9q-27g5-qwpj
References
More Microsoft vulnerabilities
- TI-2026-42212 Microsoft SharePoint Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2026-37256 Microsoft SharePoint Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2026-26194 Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2026-16982 Microsoft SharePoint Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2025-36863 Windows Server Update Service (WSUS) Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2025-33671 Microsoft SharePoint Server Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-59865 · CVE Program
- CVE-2026-59865 · NVD
- FIRST EPSS
- GHSA-hq9q-27g5-qwpj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences