CVE-2026-47844 Security Details

CVE ID

CVE-2026-47844

CWE

NVD-CWE-noinfo

CVE Description

In specific scenarios, the Reactor Netty HTTP Server may leak exception details across unrelated requests. In order for this to happen, the server must be configured with Brave Tracing. Reactor Netty 1.3.0 - 1.3.6 Reactor Netty 1.1.0 - 1.2.18 Reactor Netty 1.0.52 and earlier

Published

Aug 21, 2026

CVSS Score & Severity

3.7Low

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Score

0.243%

Malware

malware

KEV Status

Not in KEV Catalog: No known exploits

Vulnerable Methods

reactor/netty/http/brave/TracingHttpServerDecorator$TracingMapHandle.apply(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;

JVM

Affected Ecosystems

affected

Source

National Vulnerability Database

References

spring.ioPROJECT