CVE-2026-41844: Spring Framework Open Redirect in Spring MVC and WebFlux
A Spring MVC or Spring WebFlux application which configures a mapping for "/**" where the view name is not explicitly specified allows an attacker to craft a link resulting in a 302 redirect to an arbitrary external host via the redirect: prefix. Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-41844?
The severity of CVE-2026-41844 is medium with a score of 4.2.
How do I fix CVE-2026-41844?
To fix CVE-2026-41844, ensure that your Spring MVC or WebFlux application explicitly specifies view names in its mappings.
What types of applications are affected by CVE-2026-41844?
CVE-2026-41844 affects Spring MVC and Spring WebFlux applications that improperly handle URL mappings.
What is the impact of exploiting CVE-2026-41844?
Exploiting CVE-2026-41844 could allow an attacker to perform unauthorized 302 redirects to arbitrary external hosts.
Which versions of Spring Framework are vulnerable to CVE-2026-41844?
Spring Framework versions 7.0.0 through 7.0.x are vulnerable to CVE-2026-41844.