Vulnerability · Published Jul 16, 2025 · Assigned by vmware
CVE-2025-22227CVE-2025-22227: Authentication Leak On Redirect With Reactor Netty HTTP Client
Medium 6.1
In plain English
A medium-severity information exposure in Reactor Netty from VMware. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.4%top 65.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In some specific scenarios with chained redirects, Reactor Netty HTTP client leaks credentials. In order for this to happen, the HTTP client must have been explicitly configured to follow redirects.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | io.projectreactor.netty:reactor-netty-http | 1.3.0-M5 | GHSA-4q2v-9p7v-3v22 |
| Maven | io.projectreactor.netty:reactor-netty-http | 1.2.8 | GHSA-4q2v-9p7v-3v22 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| VMware | Reactor Netty | 1.0.x – before 1.0.49 (Reactor BOM 2020.0.48)1.1.x – before 1.1.32 (Reactor BOM 2022.0.27 and 2023.0.20)1.2.x – before 1.2.8 (Reactor BOM 2024.0.8)1.3.x – before 1.3.0-M5 (Reactor BOM 2025.0.0-M5) |
Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N