CVE-2026-47845CWE-290

CVE-2026-47845

Medium · published August 27, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
20.9
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00294 · 20.9th percentile
Weakness
CWE-290 · Authentication Bypass by Spoofing
Published
2026-08-27T05:17Z
Affected products (3)
ProductVersionsFixed in
broadcom/reactor_netty< 1.0.531.0.53
broadcom/reactor_netty≥ 1.1.0, < 1.2.191.2.19
broadcom/reactor_netty≥ 1.3.0, < 1.3.6.11.3.6.1
References (1)
https://spring.io/security/cve-2026-47845 · [email protected]
EPSS history
Timeline
  • 28 AUG 06:43Z
    EPSS moved — → 0%
    epss
  • 26 AUG 23:28Z
    Reactor Netty HTTP Server may incorrectly evaluate proxy addresses
    cvelistv5