CVE-2026-47874

5.3 mediumEPSS 0.4%

Medium (5.3) in pivotal reactor netty. EPSS 0.4% chance of exploitation in the next 30 days.

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

Severity

CVSS 3.1

5.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 34% of CVEs (scores of 2026-10-31)
CWE: CWE-770
Published: 2026-08-27
Modified: 2026-09-02
Record from: the NVD, synced 2026-10-19

Affected

pivotal:reactor_netty

References

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

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