CVE-2026-67416— RabbitMQ: AMQP 1.0 symbolic body descriptor prefix collisions bypass validation
一分钟漏洞结论
影响对象
rabbitmq rabbitmq-server
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
RabbitMQ is a messaging and streaming broker. From 4.0.0 until 4.0.24, 4.1.15, 4.2.10, and 4.3.4, the optimized AMQP 1.0 server_mode parser in deps/amqp10_common/src/amqp10_binary_parser.erl matches the textual prefixes of symbolic data, sequence, and value bo
影响版本矩阵 4
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| rabbitmq | rabbitmq-server | >= 4.0.0, < 4.0.24 |
affected |
>= 4.1.0, < 4.1.15 |
affected | ||
>= 4.2.0, < 4.2.10 |
affected | ||
>= 4.3.0, < 4.3.4 |
affected |
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一、 漏洞 CVE-2026-67416 基础信息
漏洞信息
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Vulnerability Title
RabbitMQ: AMQP 1.0 symbolic body descriptor prefix collisions bypass validation
来源: CVE Program / CVE List V5
Vulnerability Description
RabbitMQ is a messaging and streaming broker. From 4.0.0 until 4.0.24, 4.1.15, 4.2.10, and 4.3.4, the optimized AMQP 1.0 server_mode parser in deps/amqp10_common/src/amqp10_binary_parser.erl matches the textual prefixes of symbolic data, sequence, and value body descriptors without verifying their encoded symbol lengths. An authenticated AMQP 1.0 publisher with write permission can submit a well-formed unknown descriptor that begins with a registered body descriptor, and RabbitMQ misclassifies and stores the bytes as a standard body section. Strict AMQP 1.0 consumers can terminate while decoding the stored entry. For bodies misclassified as data, AMQP 0-9-1 or other cross-protocol conversion performs full body decoding and can terminate the consumer protocol process, with acknowledgement-required delivery permitting repeated failures. Sequence and value classifications are normally transported as opaque encoded payloads on that conversion path. The broker remains alive, and the issue does not bypass routing or authorization. This issue is fixed in versions 4.0.24, 4.1.15, 4.2.10, and 4.3.4.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
来源: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| rabbitmq | rabbitmq-server | >= 4.0.0, < 4.0.24 | - |
|
二、漏洞 CVE-2026-67416 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-67416 其他参考 (6)
-
https://github.com/rabbitmq/rabbitmq-server/pull/17287 x_refsource_MISC
-
https://github.com/rabbitmq/rabbitmq-server/pull/17017 x_refsource_MISC
-
https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.3.4 x_refsource_MISC
同批安全公告 · rabbitmq · 2026-10-14 · 共 3 条
| CVE-2026-67414 | 6.0 MEDIUM | RabbitMQ AMQP 1.0 parser: amplification memory-exhaustion DoS via zero-width array aggrega |
| CVE-2026-67418 | 5.3 MEDIUM | RabbitMQ MQTT 5: inapplicable PUBLISH property disconnects matching subscribers |
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