CVE-2026-29791Agentgateway: Missing parameter sanitization in MCP to OpenAPI conversion

Description

Agentgateway is an open source data plane for agentic AI connectivity within or across any agent framework or environment. Prior to version 0.12.0, when converting MCP tools/call request to OpenAPI request, input path, query, and header values are not sanitized. This issue has been patched in version 0.12.0.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• https://github.com/agentgateway/agentgateway/security/advisories/GHSA-v2x6-wwfw-r2rq Vendor Advisory