VMwareCVE-2026-47845
VMware Reactor Netty: authentication bypass by spoofing
Medium5.3CVE-2026-47845 · Published Aug 27, 2026 · updated Sep 4, 2026
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
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Reactor Netty Product | >= 1.3.0, <= 1.3.6 | No fix yet |
| >= 1.1.0, <= 1.2.18 | No fix yet | |
| <= 1.0.52 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-290
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