SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-47844

In specific scenarios, the Reactor Netty HTTP Server may leak exception details across unrelated requests.

LOW 3.7EPSS 0.15%

Does this matter?

Lower severity and a low EPSS score (0.15%). Track it; it rarely justifies an emergency change on its own.

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

CVSS 3.1
3.7 LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
0.15% probability · 4th percentile
CISA KEV
Not listed
Affected
broadcom/reactor netty
Source
security@vmware.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.