{
"id": "GHSA-qp5m-mrqw-6pxr",
"aliases": [
"CVE-2026-82266"
],
"details": "Redpanda through 26.2.2 binds the Admin API to 0.0.0.0:9644 with admin_api_require_auth defaulting to false, treating unauthenticated requests as superusers. Attackers can reach port 9644 without credentials to create and delete broker accounts, modify cluster configuration, and disrupt partition replication.",
"affected": [],
"modified": "2026-08-28T21:31:23Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/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"
}
],
"published": "2026-08-28T21:31:23Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-82266",
"type": "ADVISORY"
},
{
"url": "https://github.com/redpanda-data/redpanda/issues/30989",
"type": "WEB"
},
{
"url": "https://github.com/redpanda-data/redpanda",
"type": "WEB"
},
{
"url": "https://github.com/redpanda-data/redpanda/blob/3cfce474a872090e7c74d14181885f5838c54cf2/conf/redpanda.yaml",
"type": "WEB"
},
{
"url": "https://github.com/redpanda-data/redpanda/blob/3cfce474a872090e7c74d14181885f5838c54cf2/src/v/security/request_auth.cc",
"type": "WEB"
},
{
"url": "https://www.vulncheck.com/advisories/redpanda-admin-api-unauthenticated-superuser-access-via-default-configuration",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-306"
],
"severity": "CRITICAL",
"github_reviewed": false,
"nvd_published_at": "2026-08-28T20:20:17Z",
"github_reviewed_at": null
}
}