CVE-2026-47843
Last modified
CVE-2026-47843 is a low-severity vulnerability rated 3.7/10 on the CVSS scale. In specific scenarios involving multiple clients with different DNS resolver configurations, Reactor Netty may incorrectly reuse a previously configured DNS resolver. 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 0.17% chance of exploitation in the next 30 days.
Description
In specific scenarios involving multiple clients with different DNS resolver configurations, Reactor Netty may incorrectly reuse a previously configured DNS resolver. Reactor Netty 1.3.0 - 1.3.6 Reactor Netty 1.1.0 - 1.2.18 Reactor Netty 1.0.52 and earlier
Metrics
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-2026-47843Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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