Reactor Core 3.8.0 - 3.8.6
Reactor Core 3.7.19 and earlier
Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
Sign in to view the affected projects.
No advisories yet.
| Link | Providers |
|---|---|
| https://spring.io/security/cve-2026-47863 |
|
Wed, 02 Sep 2026 00:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Broadcom
Broadcom reactor Core |
|
| CPEs | cpe:2.3:a:broadcom:reactor_core:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Broadcom
Broadcom reactor Core |
Tue, 01 Sep 2026 14:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Spring
Spring reactor Core |
|
| Vendors & Products |
Spring
Spring reactor Core |
Thu, 27 Aug 2026 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-400 |
Thu, 27 Aug 2026 15:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-835 | |
| Metrics |
ssvc
|
Thu, 27 Aug 2026 01:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-400 |
Thu, 27 Aug 2026 00:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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 | |
| Title | Reactor Core bufferTimeout fair-backpressure pipeline permanently hangs when upstream delivers items during an active flush | |
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: vmware
Published:
Updated: 2026-08-27T14:45:41.473Z
Reserved: 2026-05-20T10:00:55.157Z
Link: CVE-2026-47863
Updated: 2026-08-27T14:45:33.831Z
Status : Analyzed
Published: 2026-08-27T01:17:33.467
Modified: 2026-09-01T23:51:07.060
Link: CVE-2026-47863
No data.
OpenCVE Enrichment
Updated: 2026-09-01T14:23:27Z