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

CVE-2026-29791

Agentgateway: Missing parameter sanitization in MCP to OpenAPI conversion PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
agentgateway / agentgateway	affected < 0.12.0

CWE

CWE-20

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.