Reactor Netty WebSocket Client Leaks Credentials On Redirect (Spring Reactor Netty)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.26 % · percentile 18 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- vmware
- NVD status
- Analyzed
Description
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
Weaknesses (CWE)
- CWE-601 — URL Redirection to Untrusted Site
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N | vmware |
| CVSS 3.1 | MEDIUM 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N | NVD · security@vmware.com (Secondary) |
European references
- ENISA EUVD · EUVD-2026-66680
- GCVE · GCVE-0-2026-47848
CERT-FR advisories
- CERTFR-2026-AVI-1385 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:broadcom:reactor_netty:*:*:*:*:*:*:*:*< 1.0.53cpe:2.3:a:broadcom:reactor_netty:*:*:*:*:*:*:*:*≥ 1.1.0 < 1.2.19cpe:2.3:a:broadcom:reactor_netty:*:*:*:*:*:*:*:*≥ 1.3.0 < 1.3.6.1
Affected products
| Product | Versions |
|---|---|
| Spring · Reactor Netty | affected 1.3.0 ≤ 1.3.6 ; affected 1.1.0 ≤ 1.2.18 ; affected 0 ≤ 1.0.52 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |