Low severity · published Mar 19, 2026
CVE-2026-22735
Server Sent Event stream corruption
2.6
CVSS
0.1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SF
Spring Foundation · Spring
7.0.0 through 7.0.5; 6.2.0 through 6.2.16; 6.1.0 through 6.1.25; 5.3.0 through 5.3.46 · source: vendor
SF
Spring Framework · Vmware
before 5.3.47; 6.1.0 before 6.1.26; 6.2.0 before 6.2.17; 7.0.0 before 7.0.6 · source: NVD