What’s Vulnerable › Vulnerabilities
CVE-2026-29791: Agentgateway: Missing parameter sanitization in MCP to OpenAPI conversion
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-03-06 · updated 2026-06-17
- Weakness: CWE-20
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.
Affected products
- agentgateway: before 0.12.0 — fixed in 0.12.0
How to fix
Upgrade to a fixed version: agentgateway 0.12.0. Check the vendor advisory for mitigations.
References
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