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CVE-2026-41842 — Vulnerability in...

HIGH

Spring Framework Denial of Service via Versioned Resources in Spring MVC and WebFlux

Published June 9, 2026Updated September 10, 2026Source: osv

Summary

Spring MVC and WebFlux applications are vulnerable to Denial of Service (DoS) attacks when resolving static resources. Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.

Advisory Timeline

  • First published June 9, 2026 (125 days ago).
  • Last revised September 10, 2026 — 93 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Maven
Update org.springframework:spring-webflux to 6.2.19 or later
<!-- Update pom.xml dependency version to 6.2.19 for org.springframework:spring-webflux -->
Maven
Update org.springframework:spring-webmvc to 6.2.19 or later
<!-- Update pom.xml dependency version to 6.2.19 for org.springframework:spring-webmvc -->
Maven
Update org.springframework:spring-webflux to 7.0.8 or later
<!-- Update pom.xml dependency version to 7.0.8 for org.springframework:spring-webflux -->
Maven
Update org.springframework:spring-webmvc to 7.0.8 or later
<!-- Update pom.xml dependency version to 7.0.8 for org.springframework:spring-webmvc -->

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (8)

Affects 1 ecosystem: maven (2).

PackageEcosystemAffectedFixed In
org.springframework:spring-webflux
maven
6.2.0, 6.2.1, 6.2.10, 6.2.11 (+15 more)6.2.19
org.springframework:spring-webmvc
maven
1.0, 1.0-rc1, 1.0.1, 1.1 (+246 more)Range-based data available
org.springframework:spring-webmvc
maven
6.2.0, 6.2.1, 6.2.10, 6.2.11 (+15 more)6.2.19
org.springframework:spring-webflux
maven
6.1.0, 6.1.1, 6.1.10, 6.1.11 (+18 more)Range-based data available
org.springframework:spring-webmvc
maven
6.1.0, 6.1.1, 6.1.10, 6.1.11 (+18 more)Range-based data available
org.springframework:spring-webflux
maven
5.0.0.RELEASE, 5.0.1.RELEASE, 5.0.10.RELEASE, 5.0.11.RELEASE (+104 more)Range-based data available
org.springframework:spring-webflux
maven
7.0.0, 7.0.1, 7.0.2, 7.0.3 (+4 more)7.0.8
org.springframework:spring-webmvc
maven
7.0.0, 7.0.1, 7.0.2, 7.0.3 (+4 more)7.0.8

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-400
    Uncontrolled Resource ConsumptionMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.5 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Frequently Asked Questions

What is CVE-2026-41842?
Spring Framework Denial of Service via Versioned Resources in Spring MVC and WebFlux This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.5/10).
How do I check if my project is affected by CVE-2026-41842?
CVE-2026-41842 affects org.springframework:spring-webflux and org.springframework:spring-webmvc. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-41842 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
7.5

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-x23c-287f-qqv5

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