CVE-2026-47857

5.9 mediumEPSS 0.4%

Medium (5.9) in broadcom reactor core. EPSS 0.4% chance of exploitation in the next 30 days.

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

Severity

CVSS 3.1

5.9 medium

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 30% of CVEs (scores of 2026-10-31)
CWE: CWE-190
Published: 2026-08-27
Modified: 2026-09-04
Record from: the NVD, synced 2026-10-19

Affected

broadcom:reactor_core

References

https://spring.io/security/cve-2026-47857

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