CVE-2026-41839

MEDIUM EPSS 9.6%
Published Jun 9, 20263w ago · Modified Jun 17, 20262w ago
4.2 CVSS 3.1
Medium
Find Similar
Published Jun 9, 2026 3w ago
Last Modified Jun 17, 2026 2w ago

Description

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 Details

Base Score
4.2
Exploitability
1.6
Impact
2.5
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
9.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-384

References 1

  • spring.io https://spring.io/security/cve-2026-41839

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.