CVE-2026-41840

State: Published
Severity: 5.9 Medium
Published: Jun 9, 2026
Updated: Jun 20, 2026
Reserved: Apr 22, 2026

Description

Spring WebFlux applications are vulnerable to Denial of Service (DoS) attacks when processing multipart requests. 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.

Scores

CVSS	Score	Vector	Source
3.1	5.9 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H	vmware

Weaknesses

CWE-401 Missing Release of Memory after Effective Lifetime

Affected Products

Product	Versions
Spring FrameworkSpring	7.0.0 to before 7.0.7.1Affected 6.2.0 to before 6.2.18.1Affected 6.1.0 to before 6.1.28Affected 5.3.0 to before 5.3.49Affected

References

https://spring.io/security/cve-2026-41840

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