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CVE-2026-81624— Undertow-core: undertow: websocketcontainer defaults for buffers and timeouts are infinite

一分钟漏洞结论

影响对象
Red Hat Red Hat build of Apache Camel for Spring Boot 4
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。

Undertow is a flexible performant web server used in JBoss EAP and WildFly. A flaw was found in how Undertow handles WebSocket connections. Specifically, certain configuration limits like message buffer sizes and session timeouts cannot be adjusted and default

CVSS 7.5 · High
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一、 漏洞 CVE-2026-81624 基础信息

漏洞信息

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Vulnerability Title
Undertow-core: undertow: websocketcontainer defaults for buffers and timeouts are infinite
来源: CVE Program / CVE List V5
Vulnerability Description
Undertow is a flexible performant web server used in JBoss EAP and WildFly. A flaw was found in how Undertow handles WebSocket connections. Specifically, certain configuration limits like message buffer sizes and session timeouts cannot be adjusted and default to being unlimited. This allows a remote attacker to send large amounts of data or maintain connections indefinitely, potentially crashing the server by exhausting its memory or other resources.
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
不加限制或调节的资源分配
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
Red Hat Red Hat build of Apache Camel for Spring Boot 4 - cpe:/a:redhat:camel_spring_boot:4
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9
Red Hat Red Hat Fuse 7 - cpe:/a:redhat:jboss_fuse:7
Red Hat Red Hat JBoss Enterprise Application Platform 7 - cpe:/a:redhat:jboss_enterprise_application_platform:7
Red Hat Red Hat JBoss Enterprise Application Platform 7 - cpe:/a:redhat:jboss_enterprise_application_platform:7
Red Hat Red Hat JBoss Enterprise Application Platform 7 - cpe:/a:redhat:jboss_enterprise_application_platform:7
Red Hat Red Hat JBoss Enterprise Application Platform 7 - cpe:/a:redhat:jboss_enterprise_application_platform:7
Red Hat Red Hat JBoss Enterprise Application Platform 8 - cpe:/a:redhat:jboss_enterprise_application_platform:8
Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack - cpe:/a:redhat:jbosseapxp
Red Hat Red Hat Single Sign-On 7 - cpe:/a:redhat:red_hat_single_sign_on:7

二、漏洞 CVE-2026-81624 的公开POC

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三、漏洞 CVE-2026-81624 的情报信息

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CVE-2026-81624 厂商安全公告 (1)

CVE-2026-81624 其他参考 (1)

IV. Related Vulnerabilities

Same product: Red Hat build of Apache Camel for Spring Boot 4
Same vendor: Red Hat
Same weakness: CWE-770

V. Comments for CVE-2026-81624

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