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VULNERABILITIES

CVE-2026-47874 Details

Description

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

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://spring.io/security/cve-2026-47874 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-770Allocation of Resources Without Limits or ThrottlingCISA-ADP

Affected Products

ProductVersions
pivotal reactor netty
< 1.0.53
>= 1.1.0, < 1.2.19
>= 1.3.0, < 1.3.6.1

CPE

  • cpe:2.3:a:pivotal:reactor_netty:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-47874
NVD Published Date:
Aug 27, 2026
NVD Last Modified:
Sep 2, 2026
Source:
[email protected]
CVE-2026-47874 Details - Not Deferred