CVE-2026-90898 Bifrost unauthenticated remote code execution via MCP stdio client registration
| Reporter | Title | Published | Views | Family All 12 |
|---|---|---|---|---|
 | CVE-2026-90898 | 14 Sep 202611:10 | – | circl |
 | CVE-2026-90898 | 14 Sep 202610:18 | – | cve |
 | EUVD-2026-77357 | 14 Sep 202610:18 | – | euvd |
 | CVE-2026-90898 | 25 Oct 202601:29 | – | kitploit |
 | CVE-2026-90898 | 14 Sep 202610:18 | – | mend |
 | Bifrost < 2.1.0 - Unauthenticated MCP Stdio Command Execution | 25 Oct 202602:06 | – | nuclei |
 | CVE-2026-90898 | 14 Sep 202611:17 | – | nvd |
 | PT-2026-91161 | 14 Sep 202600:00 | – | ptsecurity |
 | CVE-2026-90898: Missing Authentication for Critical Function | 14 Sep 202600:00 | – | rapid7 |
 | Critical Bifrost AI Gateway Flaw Lets Attackers Run Commands Without Credentials | 22 Sep 202616:41 | – | thn |
10
[
{
"vendor": "maximhq",
"product": "Bifrost",
"platforms": [
"Linux",
"macOS"
],
"collectionURL": "https://github.com/maximhq/bifrost",
"packageName": "github.com/maximhq/bifrost/transports",
"repo": "git://github.com/maximhq/bifrost",
"modules": [
"transports/bifrost-http",
"core/mcp"
],
"programFiles": [
"transports/bifrost-http/handlers/mcp.go",
"transports/bifrost-http/handlers/middlewares.go"
],
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "2.1.0",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
]Data
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14 Sep 2026 10:18Current
CVSS 3.19.8
EPSS0.02311
SSVC