Reactor Core 3.8.0 - 3.8.6
Reactor Core 3.5.0 - 3.7.19
Reactor Core 3.4.41 and earlier
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Spring | Reactor Core | unaffected |
|
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Solution
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Workaround
No workaround given by the vendor.
| Link | Providers |
|---|---|
| https://spring.io/security/cve-2026-47857 |
|
Thu, 27 Aug 2026 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-682 |
Thu, 27 Aug 2026 15:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-190 | |
| Metrics |
ssvc
|
Thu, 27 Aug 2026 01:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-682 |
Thu, 27 Aug 2026 00:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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 | |
| Title | Reactor Core windowTimeout fair-backpressure stream hang due to 20-bit index wrap-around | |
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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MITRE
Status: PUBLISHED
Assigner: vmware
Published:
Updated: 2026-08-27T15:07:38.775Z
Reserved: 2026-05-20T10:00:55.156Z
Link: CVE-2026-47857
Vulnrichment
Updated: 2026-08-27T15:07:08.808Z
NVD
Status : Awaiting Analysis
Published: 2026-08-27T01:17:32.687
Modified: 2026-08-28T18:47:30.163
Link: CVE-2026-47857
Redhat
No data.
OpenCVE Enrichment
Updated: 2026-08-27T19:00:07Z