CVE-2026-41839

A WebFlux application with a compromised subdomain (for example, compromised via cross-site scripting (XSS)) is vulnerable to an escalation attack exchanging a known session ID for that of an authenticated user. 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.

CVSS v3 4.2 MEDIUM

4.2^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://spring.io/security/cve-2026-41839	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:vmware:spring_framework::::::::
	cpe:2.3:a:vmware:spring_framework::::::::
	cpe:2.3:a:vmware:spring_framework::::::::
	cpe:2.3:a:vmware:spring_framework::::::::

History

23 Jul 2026, 08:10

Type	Values Removed	Values Added
Summary		(es) Una aplicación WebFlux con un subdominio comprometido (por ejemplo, comprometido mediante cross-site scripting (XSS)) es vulnerable a un ataque de escalada que intercambia un ID de sesión conocido por el de un usuario autenticado. Versiones afectadas: Spring Framework 7.0.0 hasta 7.0.7; 6.2.0 hasta 6.2.18; 6.1.0 hasta 6.1.27; 5.3.0 hasta 5.3.48.

14 Jul 2026, 15:58

Type	Values Removed	Values Added
CPE		cpe:2.3:a:vmware:spring_framework::::::::
First Time		Vmware Vmware spring Framework
References	~~() https://spring.io/security/cve-2026-41839 -~~	() https://spring.io/security/cve-2026-41839 - Vendor Advisory

09 Jun 2026, 05:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-09 05:16

Updated : 2026-07-23 08:10

NVD link : CVE-2026-41839

Mitre link : CVE-2026-41839

CVE.ORG link : CVE-2026-41839

JSON object : View

Products Affected

vmware

spring_framework

CWE

CWE-384

Session Fixation

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