{"apiVersion":"1.0","identifier":"CVE-2026-47857","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","publishedAt":"2026-08-27T01:17:32","lastModifiedAt":"2026-08-27T17:18:30","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-47857","cvssScore":5.9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","epssProbability":0.00222,"riskScore":0.6,"affectedProduct":"Reactor Core","affectedVersions":"<=3.8.6, <=3.7.19, <=3.4.41","vulnerabilityType":"Library","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-47857","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-47857","en":"https://www.redsauce.net/en/cves/CVE-2026-47857","fr":"https://www.redsauce.net/fr/cves/CVE-2026-47857","pt":"https://www.redsauce.net/pt/cves/CVE-2026-47857","de":"https://www.redsauce.net/de/cves/CVE-2026-47857","sk":"https://www.redsauce.net/sk/cves/CVE-2026-47857","el":"https://www.redsauce.net/el/cves/CVE-2026-47857"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-47857"}}