CVE catalog

CVE-2026-47890

Spring MVC and WebFlux applications are vulnerable to stream corruption when using Server-Sent Events (SSE) with view fragments. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19

[CVE catalog]

Severity: Critical · CVSS 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: Aug 20, 2026, 10:00:00 PM UTC
Updated: Aug 27, 2026, 6:17:20 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.56% · Oct 25, 2026

Spring MVC and WebFlux applications are vulnerable to stream corruption when using Server-Sent Events (SSE) with view fragments. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	libspring-java	sid	`4.3.30-6`	not affected
Debian	libspring-java	forky	`4.3.30-6`	not affected
Debian	libspring-java	trixie	`4.3.30-3`	not affected
Debian	libspring-java	bookworm	`4.3.30-2`	not affected
Cpe	spring_framework	Not reported	`7.0.8.1`	fixed
Maven	org.springframework:spring-webflux	Not reported	`7.0.9`	fixed
Maven	org.springframework:spring-webmvc	Not reported	`7.0.9`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	libspring-java	source	sid	`Not affected`	unimportant	Not reported	Not reported
Debian	libspring-java	source	forky	`Not affected`	unimportant	Not reported	Not reported
Debian	libspring-java	source	trixie	`Not affected`	unimportant	Not reported	Not reported
Debian	libspring-java	source	bookworm	`Not affected`	unimportant	Not reported	Not reported
Cpe	spring_framework	cpe	Not reported	`7.0.8.1`	Not reported	NVD-CVE-2026-47890	Not reported
Maven	org.springframework:spring-webflux	maven	Not reported	`7.0.9`	Not reported	GHSA-J9F9-W8PJ-32F8	Not reported
Maven	org.springframework:spring-webmvc	maven	Not reported	`7.0.9`	Not reported	GHSA-J9F9-W8PJ-32F8	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libspring-aop-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-beans-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-context-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-context-support-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-core-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-expression-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-instrument-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-jdbc-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-jms-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-messaging-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-orm-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-oxm-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-test-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-transaction-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-web-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-web-portlet-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
[libspring-web-servlet-java]Not affected
Source package: [libspring-java]
Details (2)
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm
- 4.3.30-2 · all · bookworm
  Not affected
  nvd · libspring-java · debian · bookworm

Observed: Oct 23, 2026, 9:38:36 PM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [GitHub Advisory Database] · [National Vulnerability Database (NVD)] · [Red Hat security advisories and VEX]