{
"id": "GHSA-4g9m-rffv-h6wq",
"aliases": [
"CVE-2026-8621"
],
"details": "Crabbox prior to v0.12.0 contains an authentication bypass vulnerability that allows non-admin shared-token callers to impersonate other owners or organizations by spoofing identity headers. Attackers can inject malicious X-Crabbox-Owner and X-Crabbox-Org headers in requests authenticated with a shared token to bypass authorization checks and access owner/org-scoped lease operations belonging to victim accounts.",
"summary": "Crabbox: authentication bypass vulnerability that allows impersonation of others by spoofing identity headers",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.12.0"
}
]
}
],
"package": {
"name": "github.com/openclaw/crabbox",
"ecosystem": "Go"
}
}
],
"modified": "2026-05-21T19:29:07Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
}
],
"published": "2026-05-14T21:30:43Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-8621",
"type": "ADVISORY"
},
{
"url": "https://github.com/openclaw/crabbox/pull/70",
"type": "WEB"
},
{
"url": "https://github.com/openclaw/crabbox/commit/b657323f1d1c954cefc8444571fa6c45a8896e7f",
"type": "WEB"
},
{
"url": "https://github.com/openclaw/crabbox",
"type": "PACKAGE"
},
{
"url": "https://github.com/openclaw/crabbox/releases/tag/v0.12.0",
"type": "WEB"
},
{
"url": "https://www.vulncheck.com/advisories/crabbox-authentication-bypass-via-header-spoofing",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-287"
],
"severity": "HIGH",
"github_reviewed": true,
"nvd_published_at": "2026-05-14T19:16:39Z",
"github_reviewed_at": "2026-05-21T19:29:07Z"
}
}