{"id":"CVE-2026-125926","aliases":["EUVD-2026-124011","GHSA-fc39-fwh3-wv5r"],"status":"published","title":"Server-side request forgery in the server registration and update API in mcp-gateway-registry","description":"Server-side request forgery (SSRF) in the server registration and update API in Amazon mcp-gateway-registry before 1.35.0 might allow an authenticated remote user to send requests from the gateway to internal network services and cloud instance metadata endpoints and read the responses via a crafted request.\n\n\n\nTo remediate this issue, users should upgrade to version 1.35.0.","severity":{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-14","score":0.00348,"percentile":0.28892,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2026-11-11T20:50:28Z","modified":"2026-11-14T02:47:26Z","products":[{"vendor":"aws","product":"mcp-gateway-registry"}],"references":[{"url":"https://github.com/agentic-community/mcp-gateway-registry/releases/tag/1.35.0","tags":["release-notes","patch","fix"]},{"url":"https://aws.amazon.com/security/security-bulletins/2026-180-aws/","tags":["vendor-advisory","advisory"]},{"url":"https://github.com/agentic-community/mcp-gateway-registry/security/advisories/GHSA-fc39-fwh3-wv5r","tags":["third-party-advisory","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/125xxx/CVE-2026-125926.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-125926","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-125926","title":"Server-side request forgery in the server registration and update API in mcp-gateway-registry","description":"Server-side request forgery (SSRF) in the server registration and update API in Amazon mcp-gateway-registry before 1.35.0 might allow an authenticated remote user to send requests from the gateway to internal network services and cloud instance metadata endpoints and read the responses via a crafted request.\n\n\n\nTo remediate this issue, users should upgrade to version 1.35.0.","status":"published","published":"2026-11-11T20:50:28.168Z","modified":"2026-11-13T17:14:36.361Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-13T18:32:56.914802Z"}],"euvd":[{"id":"EUVD-2026-124011","description":"Server-side request forgery (SSRF) in the server registration and update API in Amazon mcp-gateway-registry before 1.35.0 might allow an authenticated remote user to send requests from the gateway to internal network services and cloud instance metadata endpoints and read the responses via a crafted request.\n\n\n\nTo remediate this issue, users should upgrade to version 1.35.0.","status":"published","published":"2026-11-11T20:50:28Z","modified":"2026-11-13T17:14:36Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-13T18:39:40.791935Z"}],"nvd":[{"id":"CVE-2026-125926","description":"Server-side request forgery (SSRF) in the server registration and update API in Amazon mcp-gateway-registry before 1.35.0 might allow an authenticated remote user to send requests from the gateway to internal network services and cloud instance metadata endpoints and read the responses via a crafted request.\n\n\n\nTo remediate this issue, users should upgrade to version 1.35.0.","status":"published","published":"2026-11-11T21:16:42.867Z","modified":"2026-11-13T18:17:32.51Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-918"],"updated_at":"2026-11-13T19:37:11.64492Z"}],"osv":[{"id":"CVE-2026-125926","title":"Server-side request forgery in the server registration and update API in mcp-gateway-registry","description":"Server-side request forgery (SSRF) in the server registration and update API in Amazon mcp-gateway-registry before 1.35.0 might allow an authenticated remote user to send requests from the gateway to internal network services and cloud instance metadata endpoints and read the responses via a crafted request.\n\n\n\nTo remediate this issue, users should upgrade to version 1.35.0.","status":"published","published":"2026-11-11T20:50:28.168Z","modified":"2026-11-15T02:30:55.196733344Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-14T03:11:13.096066Z"}]}}