CVE-2026-57212: CWE-770: Allocation of Resources Without Limits or Throttling in rabbitmq rabbitmq-server
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.
AI Analysis
Technical Summary
RabbitMQ versions before 3.13.14, 4.0.19, 4.1.10, and 4.2.5 contain a CWE-770 vulnerability where the rabbitmq_management HTTP API accepts oversized valid JSON bodies due to incomplete size checks in the read_complete_body function. Specifically, the function checks the size before the final chunk but not after assembling the entire body, which can cause uncontrolled resource allocation. This flaw affects the with_decode and direct_request API paths. The issue is resolved in the fixed versions 3.13.14, 4.0.19, 4.1.10, and 4.2.5.
Potential Impact
An attacker with low privileges can send oversized JSON payloads to the rabbitmq_management HTTP API, causing the server to allocate excessive resources without limits or throttling. This can lead to denial of service conditions due to resource exhaustion. The CVSS 4.0 score is 7.1 (high severity), reflecting network attack vector, low attack complexity, no user interaction, and high impact on availability.
Mitigation Recommendations
This vulnerability is fixed in rabbitmq-server versions 3.13.14, 4.0.19, 4.1.10, and 4.2.5. Users should upgrade to one of these versions or later to remediate the issue. Since no official remediation level or temporary fix is indicated, upgrading is the recommended action. There is no indication that the vulnerability is already mitigated or requires no action.
CVE-2026-57212: CWE-770: Allocation of Resources Without Limits or Throttling in rabbitmq rabbitmq-server
Description
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.
CVSS v4.0
Score 7.1high
Affected software
pkg:github/rabbitmq/rabbitmq-serverRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
RabbitMQ versions before 3.13.14, 4.0.19, 4.1.10, and 4.2.5 contain a CWE-770 vulnerability where the rabbitmq_management HTTP API accepts oversized valid JSON bodies due to incomplete size checks in the read_complete_body function. Specifically, the function checks the size before the final chunk but not after assembling the entire body, which can cause uncontrolled resource allocation. This flaw affects the with_decode and direct_request API paths. The issue is resolved in the fixed versions 3.13.14, 4.0.19, 4.1.10, and 4.2.5.
Potential Impact
An attacker with low privileges can send oversized JSON payloads to the rabbitmq_management HTTP API, causing the server to allocate excessive resources without limits or throttling. This can lead to denial of service conditions due to resource exhaustion. The CVSS 4.0 score is 7.1 (high severity), reflecting network attack vector, low attack complexity, no user interaction, and high impact on availability.
Mitigation Recommendations
This vulnerability is fixed in rabbitmq-server versions 3.13.14, 4.0.19, 4.1.10, and 4.2.5. Users should upgrade to one of these versions or later to remediate the issue. Since no official remediation level or temporary fix is indicated, upgrading is the recommended action. There is no indication that the vulnerability is already mitigated or requires no action.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-06-24T02:21:33.809Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a515a8b68715ace432d82ea
Added to database: 07/10/2026, 20:48:11 UTC
Last enriched: 07/18/2026, 15:24:32 UTC
Last updated: 08/24/2026, 13:24:58 UTC
Views: 135
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