PT-2026-82352 · Unknown · Reactor Core

CVE-2026-47857

·

Published

2026-08-26

·

Updated

2026-08-28

CVSS v3.1

5.9

Medium

VectorAV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Reactor Core versions 3.8.0 through 3.8.6 Reactor Core versions 3.5.0 through 3.7.19 Reactor Core versions 3.4.41 and earlier
Description Applications using the Flux.windowTimeout operator with fairBackpressure enabled are susceptible to a Denial of Service (DoS) condition. Fair backpressure is a mechanism used to manage the flow of data between a producer and a consumer to prevent the consumer from being overwhelmed.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Integer Overflow

Found an issue in the description? Have something to add? Feel free to write us 👾

Weakness Enumeration

Related Identifiers

CVE-2026-47857

Affected Products

Reactor Core