CVE-2026-22735
LOW2.6EPSS 0.09%Spring MVC and WebFlux has Server Sent Event stream corruption
Published: 3/20/2026Modified: 4/28/2026
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.
Affected packages (3)
- Debian/libspring-javafrom 0
- Maven/org.springframework:spring-webflux>= 7.0.0-M1, < 7.0.6
- Maven/org.springframework:spring-webmvc>= 7.0.0-M1, < 7.0.6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW2.6 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N |