{"id":"CVE-2026-29791","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.","aliases":["GHSA-v2x6-wwfw-r2rq"],"modified":"2026-04-10T05:42:34.932179Z","published":"2026-03-06T20:39:40.852Z","database_specific":{"cwe_ids":["CWE-20"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/29xxx/CVE-2026-29791.json","cna_assigner":"GitHub_M"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/29xxx/CVE-2026-29791.json"},{"type":"ADVISORY","url":"https://github.com/agentgateway/agentgateway/security/advisories/GHSA-v2x6-wwfw-r2rq"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-29791"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/agentgateway/agentgateway","events":[{"introduced":"0"},{"fixed":"12af03bf06b155ff00276bbbcad0dc5ee1707da4"}]}],"versions":["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"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N"}]}