CVE-2026-22735
March 19, 2026
Spring MVC and WebFlux applications are vulnerable to stream corruption when using Server-Sent Events (SSE). This issue affects Spring Foundation: from 7.0.0 through 7.0.5, from 6.2.0 through 6.2.16, from 6.1.0 through 6.1.25, from 5.3.0 through 5.3.46.
Affected Packages
https://github.com/spring-projects/spring-framework.git (GITHUB):
Affected version(s) >=v7.0.0 <v7.0.6Fix Suggestion:
Update to version v7.0.6https://github.com/spring-projects/spring-framework.git (GITHUB):
Affected version(s) >=v6.2.0-M1 <v6.2.17Fix Suggestion:
Update to version v6.2.17https://github.com/spring-projects/spring-framework.git (GITHUB):
Affected version(s) >=v3.0.0.M1 <v6.1.21Fix Suggestion:
Update to version v6.1.21org.springframework:spring-webmvc (JAVA):
Affected version(s) >=7.0.0 <7.0.6Fix Suggestion:
Update to version 7.0.6org.springframework:spring-web (JAVA):
Affected version(s) >=7.0.0 <7.0.6Fix Suggestion:
Update to version 7.0.6org.springframework:spring-webmvc (JAVA):
Affected version(s) >=7.0.0-M1 <7.0.6Fix Suggestion:
Update to version 7.0.6org.springframework:spring-web (JAVA):
Affected version(s) >=6.2.0 <6.2.17Fix Suggestion:
Update to version 6.2.17org.springframework:spring-webflux (JAVA):
Affected version(s) >=6.2.0 <6.2.17Fix Suggestion:
Update to version 6.2.17org.springframework:spring-webmvc (JAVA):
Affected version(s) >=6.2.0 <6.2.17Fix Suggestion:
Update to version 6.2.17org.springframework:spring-webflux (JAVA):
Affected version(s) >=7.0.0-M1 <7.0.6Fix Suggestion:
Update to version 7.0.6Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
2.1
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
2.6
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Improper Locking
EPSS
Base Score:
0.03