CVE-2026-47874

Summary

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 Software

VendorProductVersion RangeStatus
SpringReactor Netty1.3.0 <= 1.3.6affected
SpringReactor Netty1.1.0 <= 1.2.18affected
SpringReactor Netty0 <= 1.0.52affected

Weaknesses

  • CWE-770 Allocation of Resources Without Limits or Throttling

References