CVE-2026-29791

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Source
https://cve.org/CVERecord?id=CVE-2026-29791
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-29791.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-29791
Aliases
Published
2026-03-06T20:39:40Z
Modified
2026-08-12T03:51:10Z
Severity
  • 4.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N CVSS Calculator
Summary
Agentgateway: Missing parameter sanitization in MCP to OpenAPI conversion
Details

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.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-20"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/29xxx/CVE-2026-29791.json"
}
References

Affected packages

Git / github.com/agentgateway/agentgateway

Affected ranges

Type
GIT
Repo
https://github.com/agentgateway/agentgateway
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
12af03bf06b155ff00276bbbcad0dc5ee1707da4
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:lfprojects:agentgateway:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.12.0"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE"
    ]
}

Affected versions

v0.*
v0.0.2
v0.0.3
v0.0.4
v0.0.5
v0.0.6
v0.0.7
v0.1.0
v0.1.1
v0.1.2
v0.10.0
v0.10.1
v0.10.2
v0.10.3
v0.10.4
v0.10.5
v0.11.0
v0.11.0-alpha.1
v0.11.1
v0.11.2
v0.11.3
v0.2.0
v0.3.0
v0.4.0
v0.4.1
v0.4.10
v0.4.11
v0.4.12
v0.4.13
v0.4.14
v0.4.15
v0.4.16
v0.4.17
v0.4.18
v0.4.19
v0.4.2
v0.4.20
v0.4.21
v0.4.22
v0.4.23
v0.4.24
v0.4.25
v0.4.26
v0.4.27
v0.4.28
v0.4.29
v0.4.3
v0.4.30
v0.4.4
v0.4.5
v0.4.6
v0.4.7
v0.4.8
v0.4.9
v0.5.0
v0.5.1
v0.5.2
v0.6.0
v0.6.1
v0.6.2
v0.7.0
v0.7.1
v0.7.2
v0.7.3
v0.7.4
v0.7.5
v0.7.6
v0.7.7
v0.7.8
v0.7.9
v0.8.0
v0.8.1
v0.8.2
v0.8.3
v0.9.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-29791.json"