CVE-2026-47843

lowpriority · track · 0EPSS 0.003 · 17 %ileFRUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.26% (17th) EPSS

CVSS 3.7 · low

Is it mine?

3 products

Check your exposure

Who says so?

2 sources

nvd · certfr

EPSS · scored 2026-10-28

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

cvss

Technical severity, 0–10. One row per scoring source.

3.7

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.13.7lowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:Nsecondary · security@vmware.comexploitability 2.2 · impact 1.4

v3.13.4lowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-362USLLM-inferred

affected products (3)

Products and version ranges known to be affected.

broadcom reactor netty< 1.0.53nvdUScpe:2.3:a:broadcom:reactor_netty:*:*:*:*:*:*:*:*
broadcom reactor netty1.1.0 → 1.2.19nvdUScpe:2.3:a:broadcom:reactor_netty:*:*:*:*:*:*:*:*
broadcom reactor netty1.3.0 → 1.3.6.1nvdUScpe:2.3:a:broadcom:reactor_netty:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

CERTFR-2026-AVI-1385Multiples vulnérabilités dans les produits VMwareFrançais2026-10-26vendor · certfrFR

sources

Which sources assert this record, and when.

nvd certfr NVD CVE.org MITRE

published 2026-08-26modified 2026-09-04

references (1) nvd

External citations — patches, advisories, analysis.

https://spring.io/security/cve-2026-47843Vendor Advisory

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

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