CVE-2026-47874
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
Published:Aug 26, 2026
Last Modified:Sep 2, 2026
EPS:Aug 26, 2026
EPSS Score:0.00238
CVSS Score:5.3
Affected Products
Vendor
Product
Action
Vendor
Pivotal
Product
Reactor Netty
Pivotal
Reactor Netty
Vendor
Spring
Product
Reactor Netty
Spring
Reactor Netty
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
