CVE-2026-29791: Agentgateway is an open source data plane for agentic AI connectivity within or across any agent framework or environmen
Summary
Agentgateway is an open source data plane (a software layer that handles data movement for AI agents working across different frameworks) that had a security flaw in versions before 0.12.0, where user input in paths, query parameters, and headers were not properly cleaned up when converting tool requests to OpenAPI format. This lack of input validation (CWE-20, checking that data matches expected rules) could potentially be exploited, but the vulnerability has been patched.
Solution / Mitigation
This issue has been patched in version 0.12.0. Update Agentgateway to version 0.12.0 or later to resolve the vulnerability.
Vulnerability Details
4.9(medium)
EPSS: 0.0%
Classification
Taxonomy References
Affected Vendors
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Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-29791
First tracked: March 6, 2026 at 07:07 PM
Classified by LLM (prompt v3) · confidence: 85%