CVE-2026-47861: medium-severity vulnerability in Spring Integration
UDP adapter sends ack to attacker-supplied host:port parsed from packet body, even when acknowledge=false
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.3epss 0.3%
An unauthenticated remote attacker who can send a single UDP packet to a Spring Integration UDP inbound adapter can cause the server to emit an outbound UDP datagram to an arbitrary internal or external host and port of the attacker's choosing.
Spring Integration 7.1.0
Spring Integration 7.0.0 - 7.0.5
Spring Integration 6.5.0 - 6.5.10
Spring Integration 6.4.0 - 6.4.12
Spring Integration 5.5.21 and earlier
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Affected products
Spring · Spring IntegrationRelated CVEs — Spring Integration
In the same product, most dangerous first.
CVE-2026-47864MEDIUMUnsafe Java deserialization in SerializingHttpMessageConverter — remote code executionEPSS 5.9%CVE-2019-3772—Spring Integration XML External Entity Injection (XXE)EPSS 3.0%CVE-2026-59274MEDIUMUnbounded decompression in UnZipTransformer enables zip-bomb DoSEPSS 0.4%CVE-2026-59307HIGHDeserialization allow-list silently bypassed: setBeanClassLoader replaces deserializer but mapper keeps stale referenceEPSS 0.4%CVE-2026-59311MEDIUMFixed predictable /tmp/ziptransformer work directory enables symlink pre-creationEPSS 0.4%CVE-2026-47856MEDIUMJsonToObjectTransformer resolves the json__TypeId__ message header to an arbitrary class without an allow-listEPSS 0.3%