Is CVE-2026-29791 actively exploited?

CVE-2026-29791 has no public evidence of in-the-wild exploitation as of 2026-03-18.

What is the CVSS score for CVE-2026-29791?

CVE-2026-29791 has a CVSS score of 4.9 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N.

How do I patch CVE-2026-29791?

Patch guidance is available from lfprojects security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-29791.

Which products are affected by CVE-2026-29791?

1 product: lfprojects agentgateway.

CVE-2026-29791 - remediation guidance & executive summary

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N
Attack Vector: network
Complexity: high
Privileges: low
User Action: none
Scope: changed
Confidentiality: low
Integrity: low
Availability: none
Weaknesses: CWE-20 · Improper Input ValidationNVD-CWE-noinfo

Metadata

Primary Vendor: LFPROJECTS
Published: 3/6/2026
Last Modified: 3/18/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

lfprojects : agentgateway

Remediation Guidance

Executive Summary

Cite this page

CVE-2026-29791. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2026-29791

View on NIST NVD

CVE-2026-29791 vulnerability