Fluid Attacks Database

Description

Spring MVC and WebFlux has Server Sent Event stream corruption 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.

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem	Component	Affected version	Patched versions
maven	org.springframework:spring-webmvc	>=7.0.0-m1 <7.0.6 \|\| >=6.2.0 <6.2.17 \|\| >=6.0.0 <=6.1.21 \|\| >=5.3.0 <=5.3.39	7.0.6, 6.2.17
debian 14	libspring-java	=4.3.30-3 \|\| =4.3.30-4	-
maven	org.springframework:spring-webflux	>=7.0.0-m1 <7.0.6 \|\| >=6.2.0 <6.2.17 \|\| >=6.0.0 <=6.1.21 \|\| >=5.3.0 <=5.3.39	7.0.6, 6.2.17
rpm rhel8	log4j	-	-
rpm rhel9	log4j	-	-
rpm rhel8	resteasy	-	-
rpm rhel9	resteasy	-	-
debian 12	libspring-java	=4.3.30-2 \|\| =4.3.30-3 \|\| =4.3.30-4	-
debian 13	libspring-java	=4.3.30-3 \|\| =4.3.30-4	-

Aliases

1. CVE-2026-227352. NVD-2026-227353. OSV-2026-227354. OSV-DEBIAN-2026-227355. GCVE-2026-227356. SECURITY-TRACKER-CVE-2026-22735

References

1. https://spring.io/security/cve-2026-22735

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