CVE-2026-41851
Published:June 09, 2026
Updated:June 09, 2026
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.
Affected Packages
https://github.com/spring-projects/spring-framework.git (GITHUB):
Affected version(s) >=v6.2.0 <v6.2.19Fix Suggestion:
Update to version v6.2.19https://github.com/spring-projects/spring-framework.git (GITHUB):
Affected version(s) >=v7.0.0 <v7.0.8Fix Suggestion:
Update to version v7.0.8org.springframework:spring-expression (JAVA):
Affected version(s) >=7.0.0 <7.0.8Fix Suggestion:
Update to version 7.0.8org.springframework:spring-expression (JAVA):
Affected version(s) >=6.2.0 <6.2.19Fix Suggestion:
Update to version 6.2.19Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
Allocation of Resources Without Limits or Throttling
EPSS
Base Score:
0.01