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Vulnerability Detail

CVE-2026-47863 Verified Sceawere Triage Sources: NVD / CISA KEV

Vulnerability Metadata

Severity
Medium
Score / CVSS
5.9
Creation Date
4h ago
Vendor
Spring
Product
Reactor Core
Attack Type
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Complexity
HIGH

Narrative and Response

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

Executive Summary

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Technical Details

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Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

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Mitigations

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Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

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References

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Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

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Additional Metadata

{
  "score": "5.9",
  "pubDate": "2026-08-27T01:17:33.467Z",
  "pubdate": "2026-08-27T01:17:33.467Z"
}
CVE-2026-47863: CVE-2026-47863 Vulnerability (MEDIUM Severity, CVSS: 5.9) - Sceawere