CVE-2026-41838
Published:June 09, 2026
Updated:June 11, 2026
IDs for WebSocket sessions in the spring-websocket module are not cryptographically unpredictable, which may be possible to exploit in combination with inadequate authorization rules.
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-websocket (JAVA):
Affected version(s) >=6.2.0 <6.2.19Fix Suggestion:
Update to version 6.2.19org.springframework:spring-websocket (JAVA):
Affected version(s) >=7.0.0 <7.0.8Fix Suggestion:
Update to version 7.0.8Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.9
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.8
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Use of Insufficiently Random Values
EPSS
Base Score:
0.03