RC
Product
Reactor Core
by Spring · last CVE Aug 26, 2026
2
CVEs
0
On KEV
7.5
Max CVSS
0
New 30D
Severity mix
Critical 0High 1Medium 1Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-47857
5.9
0%
Aug 26
Reactor Core windowTimeout fair-backpressure stream hang due to 20-bit index wrap-around
Affected: 3.8.0 through 3.8.6; 3.5.0 through 3.7.19; through 3.4.41
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