CVE catalog

CVE-2026-22745

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:

[CVE catalog]

Severity: Medium · CVSS 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Published: Apr 19, 2026, 10:00:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.34% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	libspring-java	sid	`4.3.30-6`	not affected
Debian	libspring-java	forky	`4.3.30-6`	not affected
Debian	libspring-java	trixie	`4.3.30-3`	not affected
Debian	libspring-java	bookworm	`4.3.30-2`	not affected
Cpe	spring_framework	Not reported	`5.3.48`	fixed
Cpe	spring_framework	Not reported	`6.1.27`	fixed
Cpe	spring_framework	Not reported	`6.2.18`	fixed
Cpe	spring_framework	Not reported	`7.0.7`	fixed
Cpe	spring_framework	Not reported	`7.0.7`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	libspring-java	source	sid	`Not affected`	unimportant	Not reported	Not reported
Debian	libspring-java	source	forky	`Not affected`	unimportant	Not reported	Not reported
Debian	libspring-java	source	trixie	`Not affected`	unimportant	Not reported	Not reported
Debian	libspring-java	source	bookworm	`Not affected`	unimportant	Not reported	Not reported
Cpe	spring_framework	cpe	Not reported	`5.3.48`	Not reported	Not reported	Not reported
Cpe	spring_framework	cpe	Not reported	`6.1.27`	Not reported	Not reported	Not reported
Cpe	spring_framework	cpe	Not reported	`6.2.18`	Not reported	Not reported	Not reported
Cpe	spring_framework	cpe	Not reported	`7.0.7`	Not reported	Not reported	Not reported
Cpe	spring_framework	cpe	Not reported	`7.0.7`	Not reported	NVD-CVE-2026-22745	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libspring-aop-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-beans-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-context-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-context-support-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-core-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-expression-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-instrument-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-jdbc-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-jms-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-messaging-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-orm-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-oxm-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-test-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-transaction-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-web-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-web-portlet-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-web-servlet-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm

Observed: Oct 26, 2026, 8:48:45 PM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [Red Hat security advisories and VEX]