Vulnerability · Published Aug 26, 2026 · Assigned by vmware
CVE-2026-47861UDP adapter sends ack to attacker-supplied host:port parsed from packet body, even when acknowledge=false
Medium 6.3
In plain English
A medium-severity server-side request forgery in Spring Integration from Spring. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).
Official description
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
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Spring | Spring Integration | 7.1.07.0.0 – through 7.0.56.5.0 – through 6.5.106.4.0 – through 6.4.120 – through 5.5.21 |
Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L