RabbitMQ is a messaging and streaming broker. Prior to 4.2.6, RabbitMQ AMQP 0-9-1 allows an existing consumer to keep receiving messages after OAuth token expiry or connection.update_secret refresh to reduced scopes because existing consumers are not canceled or reauthorized at delivery time after the channel user state changes. This issue is fixed in version 4.2.6.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-863"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57218.json"
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:broadcom:rabbitmq_server:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.2.0"
},
{
"fixed": "4.2.6"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "501ad947cd6bbcc9486fe96e0d073992bfe52cc4"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "db20d6c0fcf3056030f244b5adab0d45c0db0c9e"
}
],
"source": "REFERENCES_COMMIT"
},
{
"original_tag": "v4.2.6",
"range": [
{
"fixed": "8a56c37f099a7bf609a555de3f0ff8ed23964d20"
}
],
"source": "REFERENCES_TAG"
}
]
}