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Fencer Vulns
medium 5.3

CVE-2026-22745 json

CVE-2026-22745 : Denial of service in static resource handling on Windows platforms

published 2026-04-29 6 mo ago modified 2026-10-26 13 d ago also GHSA-6p4f-wcwh-5vvm , EUVD-2026-26207

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 27%
public exploits
0
none known

Summary

Spring MVC and WebFlux applications are vulnerable to Denial of Service attacks 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 serving static resources from the file system * the application is running on a Windows platform

When all the conditions above are met, the attacker can send malicious requests that are slow to resolve and that can keep HTTP connections in use. This can cause a Denial of Service on the application.

Patch / fix

  • maven org.springframework:spring-webflux 6.2.18, 7.0.7
  • maven org.springframework:spring-webmvc 6.2.18, 7.0.7
  • VMware Spring Framework 5.3.48, 6.1.27, 6.2.18, 7.0.7

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-22745 updated cvss 5.3

spring-webflux: Spring MVC and Spring WebFlux: Denial of Service via slow static resource resolution on Windows

  • Red Hat build of Apache Camel - HawtIO 4 spring-webflux
    affected: no fix available “Fix deferred”
  • Red Hat Fuse 7 spring-webflux Red Hat JBoss Enterprise Application Platform 7 spring-webflux
    affected: no fix planned “Out of support scope”
  • Red Hat JBoss Enterprise Application Platform 8 spring-webflux, opentelemetry-spring-webflux-5.3, opentelemetry-javaagent-spring-webflux-5.0
    affected: no fix available “Fix deferred”
  • Red Hat JBoss Enterprise Application Platform Expansion Pack spring-webflux, opentelemetry-spring-webflux-5.3, opentelemetry-javaagent-spring-webflux-5.0
    affected: no fix available, no fix planned “Out of support scope”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
6 mo ago

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
GitHub 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected packages

ecosystem package affected fixed in
maven org.springframework:spring-webflux
>=7.0.0, <7.0.7
>=6.2.0, <6.2.18
>=6.1.0, <=6.1.26
<=5.3.47
7.0.7
6.2.18
maven org.springframework:spring-webmvc
>=7.0.0, <7.0.7
>=6.2.0, <6.2.18
>=6.1.0, <=6.1.26
<=5.3.47
7.0.7
6.2.18

Affected products

  • VMware Spring Framework

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.