CVEvulnerability
CVE-2026-47857
5.9 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-08-27
- Last modified
- 2026-09-04
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-190
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
Affected configurations
• broadcom reactor core (< 3.4.42)
• broadcom reactor core (>= 3.5.0 < 3.7.20)
• broadcom reactor core (>= 3.8.0 < 3.8.6.1)
Related
Weakness · CWE (1)
- CWE-190 Integer Overflow or Wraparound weakness
References
- https://spring.io/security/cve-2026-47857 Vendor Advisory