CVE-2026-95847— Moquette client IDs can cause cross-session H2 durable-queue corruption
一分钟漏洞结论
影响对象
moquette-io moquette
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。
Moquette is a lightweight Java MQTT broker. Prior to 0.18.1, H2PersistentQueue derives a session's message-map name as queue_ plus the client ID and its metadata-map name as queue_ plus the client ID plus _meta. A durable session whose client ID ends in _meta
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一、 漏洞 CVE-2026-95847 基础信息
漏洞信息
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Vulnerability Title
Moquette client IDs can cause cross-session H2 durable-queue corruption
来源: CVE Program / CVE List V5
Vulnerability Description
Moquette is a lightweight Java MQTT broker. Prior to 0.18.1, H2PersistentQueue derives a session's message-map name as queue_ plus the client ID and its metadata-map name as queue_ plus the client ID plus _meta. A durable session whose client ID ends in _meta can therefore make its message map collide with another client's metadata map. The colliding sessions read and write the same H2 MVStore map with incompatible value types, which can corrupt queue head and tail data and cause message loss, misdelivery, failed queue reloads, or exposure of queued content across sessions. This issue is fixed in version 0.18.1.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
来源: CVE Program / CVE List V5
Vulnerability Type
对资源描述符的控制不恰当(资源注入)
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| moquette-io | moquette | < 0.18.1 | - |
|
二、漏洞 CVE-2026-95847 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-95847 补丁与修复 (2)
CVE-2026-95847 其他参考 (2)
同批安全公告 · moquette-io · 2026-09-23 · 共 8 条
| CVE-2026-85724 | 9.6 CRITICAL | Moquette ACL通配符注入授权绕过漏洞 |
| CVE-2026-95848 | 9.3 CRITICAL | Moquette fails open when configured authentication or authorization classes cannot load |
| CVE-2026-95846 | 8.7 HIGH | Moquette publishes Last-Will messages without enforcing write authorization |
| CVE-2026-95843 | 8.7 HIGH | Moquette malformed shared subscriptions can crash command processing |
| CVE-2026-95845 | 8.7 HIGH | Moquette unbounded per-session message queues allow memory exhaustion |
| CVE-2026-95842 | 8.7 HIGH | Moquette uncaught MQTT command exceptions can terminate shared session event loops |
| CVE-2026-95844 | 8.7 HIGH | Moquette deeply nested MQTT topics can cause stack exhaustion |
IV. Related Vulnerabilities
Same product: moquette
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CVE-2026-95848
Moquette fails open when configured authentication or author -
CVE-2026-95846
Moquette publishes Last-Will messages without enforcing writ -
CVE-2026-95845
Moquette unbounded per-session message queues allow memory e -
CVE-2026-95844
Moquette deeply nested MQTT topics can cause stack exhaustio -
CVE-2026-95843
Moquette malformed shared subscriptions can crash command pr
Same vendor: moquette-io
-
CVE-2026-95848
Moquette fails open when configured authentication or author -
CVE-2026-95846
Moquette publishes Last-Will messages without enforcing writ -
CVE-2026-95845
Moquette unbounded per-session message queues allow memory e -
CVE-2026-95844
Moquette deeply nested MQTT topics can cause stack exhaustio -
CVE-2026-95843
Moquette malformed shared subscriptions can crash command pr
V. Comments for CVE-2026-95847
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