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CVE-2026-22741— Static resource cache poisoning in Spring MVC and WebFlux

Quick assessment

Affected
VMware Spring Framework
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

VMware Spring Framework是美国威睿（VMware）公司的一套开源的Java、JavaEE应用程序框架。该框架可帮助开发人员构建高质量的应用。 VMware Spring Framework存在安全漏洞，该漏洞源于解析静态资源时缓存投毒，可能导致拒绝服务攻击。

CVSS 3.1 · Low EPSS 0.24% · P13

Affected Version Matrix 4

VendorProduct Version RangeStatus
VMware Spring Framework 7.0.0< 7.0.7 affected
6.2.0< 6.2.18 affected
6.1.0< 6.1.27 affected
5.3.0< 5.3.48 affected
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I. Basic Information for CVE-2026-22741

Vulnerability Information
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Vulnerability Title
Static resource cache poisoning in Spring MVC and WebFlux
Source: CVE Program / CVE List V5
Vulnerability Description
Spring MVC and WebFlux applications are vulnerable to cache poisoning when resolving static resources. More precisely, an application can be vulnerable when all the following are true: * the application is using Spring MVC or Spring WebFlux * the application is configuring the  resource chain support https://docs.spring.io/spring-framework/reference/web/webmvc/mvc-config/static-resources.html#page-title  with caching enabled * the application adds support for encoded resources resolution * the resource cache must be empty when the attacker has access to the application When all the conditions above are met, the attacker can send malicious requests and poison the resource cache with resources using the wrong encoding. This can cause a denial of service by breaking the front-end application for clients.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
通过缓存导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
VMware Spring Framework 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
VMware Spring Framework是美国威睿（VMware）公司的一套开源的Java、JavaEE应用程序框架。该框架可帮助开发人员构建高质量的应用。 VMware Spring Framework存在安全漏洞，该漏洞源于解析静态资源时缓存投毒，可能导致拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
VMware Spring Framework 7.0.0 ~ 7.0.7 -

II. Public POCs for CVE-2026-22741

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III. Intelligence Information for CVE-2026-22741

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Vendor Advisories for CVE-2026-22741 (2)

Same Patch Batch · VMware · 2026-04-29 · 3 CVEs total

CVE-2026-22740 6.5 MEDIUM Spring Framework DoS with Multipart Temp Files in WebFlux
CVE-2026-22745 5.3 MEDIUM CVE-2026-22745 : Denial of service in static resource handling on Windows platforms

IV. Related Vulnerabilities

Same product: Spring Framework
Same vendor: VMware
Same weakness: CWE-524

V. Comments for CVE-2026-22741

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