Information Exposure Affecting org.springframework:spring-webflux package, versions [,7.0.9)


Severity

Recommended
0.0
low
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.14% (4th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-JAVA-ORGSPRINGFRAMEWORK-19267442
  • published26 Aug 2026
  • disclosed20 Aug 2026
  • creditUnknown

Introduced: 20 Aug 2026

NewCVE-2026-47893  (opens in a new tab)
CWE-209  (opens in a new tab)

How to fix?

Upgrade org.springframework:spring-webflux to version 7.0.9 or higher.

Overview

org.springframework:spring-webflux is a Spring Framework module that contains support for reactive HTTP and WebSocket clients as well as for reactive server web applications including REST, HTML browser, and WebSocket style interactions.

Affected versions of this package are vulnerable to Information Exposure in the HandshakeWebsocketService process. An attacker can obtain sensitive user information by triggering an exception that causes request headers to be included in the exception reason.

CVSS Base Scores

version 4.0
version 3.1