CVE-2026-47861 json
UDP adapter sends ack to attacker-supplied host:port parsed from packet body, even when acknowledge=false
published 2mo ago modified 2mo ago also EUVD-2026-66830
- cvss
- 6.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 26%
- public exploits
- 0
- none known
Summary
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
Patch / fix
- vmware spring_integration 5.5.22, 6.4.13, 6.5.11, 7.0.5.1, 7.1.0.1
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Check with FencerVendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2026-47861 updated cvss 7.3
org.springframework.integration/spring-integration-core: Spring Integration: UDP datagram redirection via crafted packet
-
Red Hat Fuse 7 spring-integration-core 5.5.11not affected: vulnerable code not in execute path
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2mo ago
Exploit prediction
0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
Affected products
- Spring Spring Integration
Classification
- Weakness
-
- CWE-918 Server-Side Request Forgery
References
-
spring.io
/security/cve-2026-47861
vendor-advisory
Sources
- CVE List CVE-2026-47861
- NVD CVE-2026-47861
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.