CVE-2026-104057— Podgrab Unauthenticated DoS via Concurrent Map Access in WebSocket Handler
一分钟漏洞结论
影响对象
akhilrex podgrab
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。
Podgrab contains an unauthenticated denial-of-service vulnerability caused by unsynchronized concurrent access to shared maps (activePlayers and allConnections) in its WebSocket handler, where Wshandler and HandleWebsocketMessages goroutines read and write the
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一、 漏洞 CVE-2026-104057 基础信息
漏洞信息
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Vulnerability Title
Podgrab Unauthenticated DoS via Concurrent Map Access in WebSocket Handler
来源: CVE Program / CVE List V5
Vulnerability Description
Podgrab contains an unauthenticated denial-of-service vulnerability caused by unsynchronized concurrent access to shared maps (activePlayers and allConnections) in its WebSocket handler, where Wshandler and HandleWebsocketMessages goroutines read and write these maps without a mutex. A remote attacker can open multiple WebSocket connections to the /ws endpoint and send messages in a loop to trigger a Go runtime data race that crashes the process, causing a denial of service that requires operator intervention to restore service.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
来源: CVE Program / CVE List V5
受影响产品
二、漏洞 CVE-2026-104057 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-104057 其他参考 (2)
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https://gist.github.com/mansurmavlankulov/022bc672583687ccb34dcf4cb31b6188 technical-description
IV. Related Vulnerabilities
V. Comments for CVE-2026-104057
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