Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-41840

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
09/06/2026
Last modified:
23/07/2026

Description

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

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.90 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
5.90
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:* 5.3.0 (including) 5.3.49 (excluding)
cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:* 6.1.0 (including) 6.1.28 (excluding)
cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:* 6.2.0 (including) 6.2.18.1 (excluding)
cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:* 7.0.0 (including) 7.0.7.1 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools