CVE-2026-41851 MEDIUM

CVE-2026-41851: Spring Framework Denial of Service via Unbounded Cache in SpEL

Vendor Spring
Product Spring Framework
Weakness CWE-770 · Uncontrolled resource consumption
Published June 9, 2026
Last update June 9, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

What the vulnerability does

01Description

Applications which accept user-supplied Spring Expression Language (SpEL) expressions may be vulnerable to a Denial of Service (DoS) attack if the evaluation of a SpEL expression triggers unbounded cache growth. 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.

Key dates

02Disclosure timeline

June 9, 2026 CVE published
June 9, 2026 Record updated