VULNERABILITY INTELLIGENCE

CVE-2026-47857

CVSS score5.9 MEDIUM
EPSS probability0.37%
CISA KEVNot currently listed
Published2026-08-27
Last modified2026-09-04
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

In Reactor Core, applications that use the Flux.windowTimeout operator with fairBackpressure enabled are vulnerable to a Denial of Service (DoS) condition. Reactor Core 3.8.0 - 3.8.6 Reactor Core 3.5.0 - 3.7.19 Reactor Core 3.4.41 and earlier

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-190

Primary references