What is CVE-2026-47890?

CVE-2026-47890 is a critical-severity vulnerability in Spring Framework, classified under CRLF Injection. CVSS score: 9.8/10. Published 2026-08-27.

How severe is CVE-2026-47890?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Spring Framework

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

Vulnerability class: CRLF Injection

EPSS: 0.002 (4.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Spring Framework

Weakness classification (CWE)

CWE-93 — CRLF Injection

References

security@vmware.com

Frequently asked questions

What is CVE-2026-47890?: CVE-2026-47890 is a critical-severity vulnerability in Spring Framework, classified under CRLF Injection. CVSS score: 9.8/10. Published 2026-08-27.
How severe is CVE-2026-47890?: Critical severity. CVSS v3 base score is 9.8 out of 10.