CVE-2026-59313 Server Sent Event stream corruption in Spring MVC functional web framework
Attackers can corrupt Server-Sent Event streams in Spring MVC functional web framework applications, potentially altering data integrity.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-59313?
CVE-2026-59313 is a critical vulnerability in Vmware Spring Framework, published on 27 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Spring MVC applications using the functional web framework are vulnerable to stream corruption when using Server-Sent Events (SSE). Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring Framework 5.3.0 - 5.3.49
Weakness: CWE-93
Which versions are affected by CVE-2026-59313?
It affects 1 product.
Products include Vmware Spring Framework.
How do I fix CVE-2026-59313?
Upgrade to a fixed version.
Is CVE-2026-59313 being exploited?
There is no known exploitation of CVE-2026-59313 in the wild and no public exploit code.
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-2016-1000027 Pivotal Spring Framework contains unsafe Java deserialization methods
Sources
Also known as CLEANSTART-2026-HS17717, CLEANSTART-2026-SB20243, CLEANSTART-2026-ZG60550, DEBIAN-CVE-2026-59313, GHSA-cqhh-73qg-8434, UBUNTU-CVE-2026-59313.