CVEvulnerability
CVE-2026-47863
7.5 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-08-27
- Last modified
- 2026-09-01
- 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
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-835
Description
In Reactor Core, applications that use the Flux.bufferTimeout operator with fairBackpressure enabled are vulnerable to a Denial of Service (DoS) condition.
Reactor Core 3.8.0 - 3.8.6
Reactor Core 3.7.19 and earlier
Affected configurations
• broadcom reactor core (>= 3.5.7 < 3.7.20)
• broadcom reactor core (>= 3.8.0 < 3.8.6.1)
Related
Weakness · CWE (1)
- CWE-835 Loop with Unreachable Exit Condition weakness
References
- https://spring.io/security/cve-2026-47863 Vendor Advisory