CVE-2026-47883 Spring Framework Open Redirect in UrlHandlerFilter
Attackers can redirect users to malicious sites via UrlHandlerFilter if configured with broad patterns, affecting Spring MVC and WebFlux applications.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-47883?
CVE-2026-47883 is a medium-severity vulnerability in Vmware Spring Framework, published on 27 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
UrlHandlerFilter can be vulnerable to an open redirect when configured with very broadly matching patterns. The issue applies to the filter variants in both Spring MVC and Spring WebFlux. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19
Weakness: CWE-601
Which versions are affected by CVE-2026-47883?
It affects 1 product.
Products include Vmware Spring Framework.
How do I fix CVE-2026-47883?
Upgrade to a fixed version.
Is CVE-2026-47883 being exploited?
There is no known exploitation of CVE-2026-47883 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Vmware Spring Framework
- CVE-2026-47884 Spring Framework Improper Path Limitation in XsltView
- CVE-2026-47890 Spring Framework Server Sent Event stream corruption while rendering fragments
- CVE-2026-47891 Spring Framework maxInMemorySize Bypassed in Jaxb2Decoder
- CVE-2026-47892 Spring Framework Header Predicate Bypass in WebFlux Functional Endpoints
- CVE-2026-59313 Server Sent Event stream corruption in Spring MVC functional web framework
Sources
Also known as CLEANSTART-2026-FB75379, CLEANSTART-2026-FH92420, CLEANSTART-2026-GG30047, GHSA-j94g-vwjh-xffq, UBUNTU-CVE-2026-47883.