Agentgateway — Vulnerability (CVE-2026-29791)
Date: 2026-03
Affected: lfprojects/agentgateway
Attack vector: other
Category: vulnerability-disclosure
Severity: Medium
CVE: CVE-2026-29791
CWE: CWE-20
CVSS: 4.9 (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N)

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.


Mitigations:

Architectural layers (MAESTRO):