How severe is CVE-2026-47890?

CVE-2026-47890 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-47890 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-47890?

CVE-2026-47890 affects Vmware Spring Framework. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-47890?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2026-47890 published?

CVE-2026-47890 was published on 2026-08-27 and last updated on 2026-09-02.

CVE-2026-47890

CVE-2026-47890 is a critical-severity vulnerability in Vmware Spring Framework with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-93.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-93
Affected product: Vmware Spring Framework
Published: 2026-08-27
Last modified: 2026-09-02

Description

Spring MVC and WebFlux applications are vulnerable to stream corruption when using Server-Sent Events (SSE) with view fragments. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19

Frequently asked questions

What is CVE-2026-47890?: Spring MVC and WebFlux applications are vulnerable to stream corruption when using Server-Sent Events (SSE) with view fragments. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19
How severe is CVE-2026-47890?: CVE-2026-47890 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-47890 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-47890?: CVE-2026-47890 affects Vmware Spring Framework. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-47890?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-47890 published?: CVE-2026-47890 was published on 2026-08-27 and last updated on 2026-09-02.

References

https://spring.io/security/cve-2026-47890

Affected products (1)

cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*

More vulnerabilities in Vmware Spring Framework

CVE-2026-59313 — Critical (CVSS 9.8): Spring MVC applications using the functional web framework are vulnerable to stream corruption when using Server-Sent…
CVE-2026-47892 — Critical (CVSS 9.8): A WebFlux application using functional endpoints and deployed with DispatcherServlet may be vulnerable to a header…
CVE-2026-47891 — Critical (CVSS 9.8): A Spring WebFlux application that relies on the Aalto XML processor to parse XML input does not correctly enforce the…
CVE-2026-47884 — Critical (CVSS 9.8): Use of XsltView in a Spring MVC application can result in SSRF and RCE attack if the application has an "/**" mapping…
CVE-2022-22965 — Critical (CVSS 9.8): A Spring MVC or Spring WebFlux application running on JDK 9+ may be vulnerable to remote code execution (RCE) via data…
CVE-2016-1000027 — Critical (CVSS 9.8): Pivotal Spring Framework through 5.3.16 suffers from a potential remote code execution (RCE) issue if used for Java…

All CVEs affecting Vmware Spring Framework →

Other CWE-93 (CRLF Injection) vulnerabilities

CVE-2026-77550 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Neutralization of CRLF Sequences vulnerability…
CVE-2024-51501 — Critical (CVSS 10.0): Refit is an automatic type-safe REST library for .NET Core, Xamarin and .NET The various header-related Refit…
CVE-2026-90937 — Critical (CVSS 9.9): froxlor versions before 2.2.5 fail to validate newline characters in subdomain redirect URLs, allowing authenticated…
CVE-2026-70615 — Critical (CVSS 9.9): boringproxy through 0.10.0 contains a newline injection vulnerability that allows authenticated low-privileged users…
CVE-2026-45372 — Critical (CVSS 9.9): cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.44.0, when cpp-httplib's…
CVE-2026-84372 — Critical (CVSS 9.8): Predis is a flexible and feature-complete Redis and Valkey client for PHP. From version 3.0.0-RC1 until version 3.3.0,…

Browse all CWE-93 (CRLF Injection) vulnerabilities →