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Vulnerabilities

Vulnerability · CVE-2026-29791

Agentgateway is an open source data plane for agentic AI connectivity within or across any agent framework or environment.

Published Mar 6, 2026 · catalog updated Jun 17, 2026 · Agentgateway is an open

Check if you run it

No confirmed exploitation is on record for CVE-2026-29791. EPSS is 0.25%. Act only if a listed version of Agentgateway is an open is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Agentgateway is an open).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.25%
Remediation
Advisory link
Affected products
cpe lfprojects/agentgateway

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe lfprojects/agentgatewayversion unspecified

How to fix CVE-2026-29791

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-29791. EPSS is 0.25%. Act only if a listed version of Agentgateway is an open is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-20: Improper Input Validation. EPSS 0.25%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 6, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-29791

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-29791

    30-day exploitation probability 0.3%

    first.org
  • NIST NVDVulnerability recordCVE-2026-29791

    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 be

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.