CVE-2026-47848
Last modified
CVE-2026-47848 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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. EPSS estimates a 0.15% chance of exploitation in the next 30 days.
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
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Broadcom | Reactor Netty | < 1.0.53 |
| Broadcom | Reactor Netty | >= 1.1.0, < 1.2.19 |
| Broadcom | Reactor Netty | >= 1.3.0, < 1.3.6.1 |
References
- https://spring.io/security/cve-2026-47848Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-47848?
How severe is CVE-2026-47848?
How do I fix CVE-2026-47848?
How Strix Helps
- One Click Account Takeover in GranolaHow a notification link broke out of Electron and led to a one-click account takeover.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-47842Applications using AesBytesEncryptor with the two-argument c…6.5
- CVE-2026-47843In specific scenarios involving multiple clients with differ…3.7
- CVE-2026-47844In specific scenarios, the Reactor Netty HTTP Server may lea…3.7
- CVE-2026-47845In specific scenarios, Reactor Netty HTTP Server may incorre…5.3
- CVE-2026-47846Bitnami Cassandra container images are affected by a retaine…9.8
- CVE-2026-47847Bitnami MariaDB Galera container images and Helm chart are a…5.3
- CVE-2026-47849Spring Data REST does not guard identifier (@Id) and version…7.1
- CVE-2026-4785The LatePoint – Calendar Booking Plugin for Appointments and…6.4
- CVE-2026-47850Spring Data REST does not preserve the persisted version (@V…4.3
- CVE-2026-47851Analyzing a PDF with a deeply nested or cyclic table of cont…7.5
- CVE-2026-47852A local attacker on a multi-user host can pre-create the det…7.5
- CVE-2026-47856Spring Integration's JSON to object conversion uses the json…6.3
Are you affected by CVE-2026-47848?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST