CVE-2026-47857

MediumCVSS 5.9/10Last modified Sep 4, 2026

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

Metrics

CVSS 3.1 5.9/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-190

Affected software

No affected versions have been published.

Timeline

Published: Aug 27, 2026
Last modified: Sep 4, 2026
NVD status: Analyzed

Related CVEs from 2026

CVE-2026-478588.0Starting Spring Boot applications in the Spring Tools with the live information mode enabled makes the running application vulnerable agains CVE-2026-478596.5RFC6587SyslogDeserializer, used by the Spring Integration syslog TCP inbound adapter to decode RFC 6587 / RFC 5424 frames, trusts the sender CVE-2026-47867.1Mitgation of CVE-2026-4519 was incomplete. If the URL contained "%action" the mitigation could be bypassed for certain browser types the "we CVE-2026-478606.5An attacker who can publish to a queue consumed by an application that has enabled message decompression can crash the consumer JVM with a s CVE-2026-478616.3An unauthenticated remote attacker who can send a single UDP packet to a Spring Integration UDP inbound adapter can cause the server to emit CVE-2026-478625.4An attacker who can set the file_name header on a message reaching a ZipTransformer with ZipResultType.FILE (the default) can cause the resu CVE-2026-478637.5In Reactor Core, applications that use the Flux.bufferTimeout operator with fairBackpressure enabled are vulnerable to a Denial of Service (CVE-2026-478649.8SerializingHttpMessageConverter deserializes the body of incoming HTTP requests with a raw java.io.ObjectInputStream and no class filtering.CVE-2026-478659.8VMware Avi Load Balancer contains an authentication bypass vulnerability. A malicious user with network access may be able to access the Avi CVE-2026-478668.3VMware Avi Load Balancer contains an authorization bypass vulnerability. A malicious actor on the network can access a limited subset of the CVE-2026-478678.8VMware Avi Load Balancer contains a remote code execution vulnerability. A malicious user with network access may be able to access the Avi CVE-2026-478687.8VMware Avi Load Balancer contains a local privilege escalation vulnerability. A malicious user with local access may be able to escalate the