CVE-2026-29791
Medium
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.
SeverityMedium
CVSS4.9
Exploit probability6. percentile0.2%
ProductLfprojects Agentgateway
PublishedMar 6, 2026
First seenMar 6, 2026
Weakness typeCWE-20Improper input validation
How to fix
Update
- lfprojects agentgateway0.12.0 or later
- github.com/agentgateway/agentgateway0.12.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| lfprojects agentgateway | v < 0.12.0 | 0.12.0 |
| github.com/agentgateway/agentgatewayGo | v < 0.12.0 | 0.12.0 |
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