CVE-2026-47845
Reactor Netty HTTP Server may incorrectly evaluate proxy addresses
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
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
| Vendor | spring |
| Product | reactor netty |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Aug 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Affected Versions
Spring / Reactor Netty
1.3.0 ≤ 1.3.6 1.1.0 ≤ 1.2.18 0 ≤ 1.0.52