VMwareCVE-2026-47848
VMware Reactor Netty: open redirect
Medium6.1CVE-2026-47848 · Published Aug 26, 2026 · updated Sep 4, 2026
In specific scenarios involving WebSocket handshake redirects to a different origin, the Reactor Netty WebSocket client may leak credentials. In order for this to happen, the HTTP client must have been explicitly configured to follow redirects. 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:R/S:C/C:L/I:L/A:N
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-601
More VMware advisories
All VMware| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Aug 26 | In specific scenarios involving multiple clients with different DNS resolver... | Low3.7 | No fix yet |
| Aug 26 | In specific scenarios | Medium5.3 | No fix yet |
| Aug 26 | VMware Spring Security: weak encryption | Medium6.5 | No fix yet |
| Aug 26 | Spring Data JPA's Sort validation can be bypassed | Medium4.8 | No fix yet |
| Aug 26 | VMware Spring Cloud Config: race condition | High7.2 | No fix yet |
| Aug 26 | VMware Spring Cloud Config: missing authentication | Medium6.8 | No fix yet |