CVE-2026-47874 — Reactor Netty HTTP Server Denial of Service With Pipelined Requests

CVE-2026-47874

Reactor Netty HTTP Server Denial of Service With Pipelined Requests PUBLISHED

Description (CNA)

The vulnerability occurs when a client sends HTTP/1.1 pipelined requests over a single connection, causing the Reactor Netty HTTP server to consume an excessive amount of memory. Reactor Netty 1.3.0 - 1.3.6 Reactor Netty 1.1.0 - 1.2.18 Reactor Netty 1.0.52 and earlier

Affected (CNA)

Vendor / product	Versions
Spring / Reactor Netty	affected 1.3.0 through 1.3.6; affected 1.1.0 through 1.2.18; affected 0 through 1.0.52

CWE

No CWE identifiers supplied.

References

https://spring.io/security/cve-2026-47874

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.