RabbitMQ is a messaging and streaming broker. Prior to 3.13.14, 4.0.19, 4.1.10, and 4.2.5, the rabbitmq_management HTTP API accepts oversized valid JSON bodies on with_decode and direct_request paths because read_complete_body checks the accumulated size before the final chunk but not the final combined size. This issue is fixed in versions 3.13.14, 4.0.19, 4.1.10, and 4.2.5.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-770"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57212.json",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"introduced": "4.1.0"
},
{
"fixed": "4.1.10"
},
{
"introduced": "4.0.0"
},
{
"fixed": "4.0.19"
},
{
"introduced": "3.13.0"
},
{
"fixed": "3.13.14"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
}
]
}
]
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:broadcom:rabbitmq_server:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.13.0"
},
{
"fixed": "4.2.5"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "3976d148901bdfa82e1cd60b7a4534e073266ba5"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "b8fc2ef7c50a2797d15e1ea7cf34f290032303bb"
}
],
"source": "REFERENCES_COMMIT"
},
{
"original_tag": "v4.2.5",
"range": [
{
"fixed": "30e04878783cf6321185357bbea6cc589f9d4cd7"
}
],
"source": "REFERENCES_TAG"
}
]
}