CVE-2025-22227

MEDIUM6.1EPSS 0.11%

Reactor Netty HTTP is vulnerable to credential leaks during chained redirects

Published: 7/16/2025Modified: 2/4/2026

Description

In some specific scenarios with chained redirects, Reactor Netty HTTP client leaks credentials. In order for this to happen, the HTTP client must have been explicitly configured to follow redirects.

Affected packages (1)

Maven/io.projectreactor.netty:reactor-netty-http>= 1.3.0-M1, < 1.3.0-M5

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	MEDIUM6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References (4)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2025-22227
PATCHhttps://github.com/reactor/reactor-netty
WEBhttps://github.com/reactor/reactor-netty/commit/522892307ea89bf24fe634e8bfea35728c9bf411
WEBhttps://spring.io/security/cve-2025-22227