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CVE-2026-41842 Spring CVE debrief

CVE-2026-41842 is a HIGH severity vulnerability in Spring MVC and WebFlux applications, allowing for Denial of Service (DoS) attacks when resolving static resources. The vulnerability affects Spring Framework versions 7.0.0 through 7.0.7, 6.2.0 through 6.2.18, 6.1.0 through 6.1.27, and 5.3.0 through 5.3.48.

Vendor
Spring
Product
Spring Framework
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-09
Original CVE updated
2026-07-17
Advisory published
2026-06-09
Advisory updated
2026-07-17

Who should care

Users of affected Spring Framework versions should update to patched versions to prevent potential DoS attacks.

Technical summary

The vulnerability is caused by improper handling of static resources in Spring MVC and WebFlux applications, leading to a Denial of Service (DoS) condition. The CVSS score for this vulnerability is 7.5, indicating a HIGH severity level.

Defensive priority

HIGH

Recommended defensive actions

  • Update to Spring Framework version 7.0.8 or later
  • Update to Spring Framework version 6.2.19 or later
  • Update to Spring Framework version 6.1.28 or later
  • Update to Spring Framework version 5.3.49 or later

Evidence notes

The CVE-2026-41842 vulnerability was published on June 9, 2026, and modified on June 9, 2026. The vulnerability is tracked by CVE.org and detailed in the NVD.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-41842 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-41842

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-41842 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-41842

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.