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CVE-2026-22741 Spring Framework

Affected softwareSpring Framework
Severity3.1 Low CVSS 3.1
Fixed in7.0.7, 6.2.18
WeaknessCWE-524
Published29 Apr 2026
Updated26 Oct 2026

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.

Exploitation status

No public exploit

No exploit has been reported in the sources we check.
  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment exploitation: none
  • Indexed PoC none indexed
  • EPSS 0.24% chance in 30 days

Waratek protection

No exploit published

Within Waratek scope. In the sources we check, nobody has published exploit code for this CVE or reported it being exploited.

A public code fix exists.

  • Protection none
  • Action unverified
  • Review automated Upstream data
  • Record active
Decided by Exploit code for this candidate, published in a reviewed catalogue or a GitHub repository with 5 or more stars, or in use per CISA or VulnCheck; not only a CISA verdict, a forecast, or nothing at all
Finding This CVE is not listed in CISA KEV or VulnCheck KEV, CISA Vulnrichment records no active exploitation, no reviewed exploit catalogue carries an entry for it, and no GitHub PoC repository for it has 5 or more stars. Nobody has published exploit code worth tracing, so it is not a candidate for a rule ahead of the ones where somebody has; an upstream fix path does exist, so the remediation half of the candidacy still holds. This is a statement about what has been published, not about whether the defect is reachable or serious.

Affected software and releases

Oracle advisories

AdvisoryTypeQuarterProducts Oracle names in its risk matrix
Oracle Critical Patch Update October 2026 ↗ CPU 2026-Q4 Oracle Construction and Engineering / Document Management (Spring Framework) (22.12.0-22.12.15, 23.12.0-23.12.16, 24.12.0-24.12.16, 25.12.0-25.12.9)
Oracle Fusion Middleware / Thirdparty Patch (Spring Framework) (12.2.1.4.0, 14.1.2.0.0)

Oracle components and versions

FamilyComponentVersions, as Oracle lists themRead as
Oracle Construction and Engineering Document Management (Spring Framework) 22.12.0-22.12.15, 23.12.0-23.12.16, 24.12.0-24.12.16, 25.12.0-25.12.9
Oracle Fusion Middleware Thirdparty Patch (Spring Framework) 12.2.1.4.0, 14.1.2.0.0 12.2.1.4.0 · 14.1.2.0.0

Maven packages

Affected and fixed versions, from OSV.dev
PackageIntroducedFixedLast affected
org.springframework:spring-webflux 7.0.0 7.0.7 unbounded
org.springframework:spring-webflux 6.2.0 6.2.18 unbounded
org.springframework:spring-webflux 6.1.0 none 6.1.26
org.springframework:spring-webflux 0 none 5.3.47
org.springframework:spring-webmvc 7.0.0 7.0.7 unbounded
org.springframework:spring-webmvc 6.2.0 6.2.18 unbounded
org.springframework:spring-webmvc 6.1.0 none 6.1.26
org.springframework:spring-webmvc 0 none 5.3.47

Products and versions

3 products, 12 version entries
SourceVendorProductSchemeAffected versions
osv org.springframework spring-webflux generic ≤ 5.3.47 · ≥ 6.1.0 and ≤ 6.1.26 · ≥ 6.2.0 and ＜ 6.2.18 · ≥ 7.0.0 and ＜ 7.0.7
osv org.springframework spring-webmvc generic ≤ 5.3.47 · ≥ 6.1.0 and ≤ 6.1.26 · ≥ 6.2.0 and ＜ 6.2.18 · ≥ 7.0.0 and ＜ 7.0.7
nvd vmware spring framework generic ＜ 5.3.48 · ≥ 6.1.0 and ＜ 6.1.27 · ≥ 6.2.0 and ＜ 6.2.18 · ≥ 7.0.0 and ＜ 7.0.7

References

URLTags
https://docs.spring.io/spring-framework/reference/web/webmvc/mvc-config/static-resources.html#page-title WEB
https://github.com/spring-projects/spring-framework PACKAGE
https://spring.io/security/cve-2026-22741 WEB
https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L&version=3.1 US Government Resource

Timeline
Published2026-04-29By the CVE Program.
NVD record modified2026-10-26NVD's own last-modified date for this record.