CVE-2026-29791
Agentgateway: Missing parameter sanitization in MCP to OpenAPI conversion
CVSS Score
4.9
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-20 |
| Vendor | agentgateway |
| Product | agentgateway |
| Published | Mar 6, 2026 |
| Last Updated | Mar 9, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
agentgateway / agentgateway
< 0.12.0