RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.20, 4.1.11, and 4.2.6, the obsolete GET /api/auth endpoint can disclose the OAuth 2 client secret on RabbitMQ installations configured with management.oauth_client_secret, exposing credentials to unauthenticated callers when the management plugin and that OAuth configuration are enabled. This issue is fixed in versions 3.13.15, 4.0.20, 4.1.11, and 4.2.6.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-200"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57219.json",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"introduced": "4.1.0"
},
{
"fixed": "4.1.11"
},
{
"introduced": "4.0.0"
},
{
"fixed": "4.0.21"
},
{
"introduced": "3.13.0"
},
{
"fixed": "3.13.15"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
}
]
}
]
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:broadcom:rabbitmq_server:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.13.0"
},
{
"fixed": "4.2.6"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "98b1daf740237c85941e8addcbea6e74f4a2743c"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "aa387c4451e7b674df3e3ba89df86a99d697cc7f"
}
],
"source": "REFERENCES_COMMIT"
},
{
"original_tag": "v4.2.6",
"range": [
{
"fixed": "8a56c37f099a7bf609a555de3f0ff8ed23964d20"
}
],
"source": "REFERENCES_TAG"
}
]
}