Reactor Netty HTTP Server may incorrectly evaluate proxy addresses (Spring Reactor Netty)

CVE-2026-47845
MEDIUM 5.3

At a glance

Source
NVD
EPSS
EPSS 0.29 % · percentile 22 ()
State
PUBLISHED
Published
Updated
Assigner
vmware
NVD status
Analyzed

Description

In specific scenarios, Reactor Netty HTTP Server may incorrectly evaluate the remote IP address when HAProxy Protocol is enabled. In order for this to happen, the application must be configured to use HAProxy Protocol. Reactor Netty 1.3.0 - 1.3.6 Reactor Netty 1.1.0 - 1.2.18 Reactor Netty 1.0.52 and earlier

Weaknesses (CWE)

  • CWE-290 — Authentication Bypass by Spoofing

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Nvmware
CVSS 3.1MEDIUM 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NNVD · security@vmware.com (Secondary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Spring · Reactor Nettyaffected 1.3.0 ≤ 1.3.6 ; affected 1.1.0 ≤ 1.2.18 ; affected 0 ≤ 1.0.52

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD