CVE-2026-47874
Reactor Netty HTTP Server Denial of Service With Pipelined Requests
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
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
| Vendor | spring |
| Product | reactor netty |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Aug 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Affected Versions
Spring / Reactor Netty
1.3.0 ≤ 1.3.6 1.1.0 ≤ 1.2.18 0 ≤ 1.0.52