CVE-2026-47857

MEDIUM CVSS 5.9 View on NVD ↗

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

CVSS Vector

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

References

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

Published: Aug 27, 2026 01:17 UTC Modified: Aug 27, 2026 17:18 UTC