CVE-2026-40999

HIGH

Spring WS SSRF via unvalidated WS-Addressing reply destinations

Title source: cna

Description

When WS-Addressing is used with non-anonymous ReplyTo or FaultTo addresses, Spring WS may initiate outbound connections through configured WebServiceMessageSender instances to destinations taken directly from request headers without verifying that those destinations are safe to connect to. Affected versions: Spring Web Services 5.0.0 through 5.0.1; 4.1.0 through 4.1.3; 4.0.0 through 4.0.18; 3.1.0 through 3.1.8.

References (1)

Core 1

Core References

https://spring.io/security/cve-2026-40999

Scores

CVSS v3 8.6

EPSS 0.0043

EPSS Percentile 34.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-918

Status published

Products (4)

Spring/Spring Web Services 3.1.0 - 3.1.9

Spring/Spring Web Services 4.0.0 - 4.0.19

Spring/Spring Web Services 4.1.0 - 4.1.4

Spring/Spring Web Services 5.0.0 - 5.0.2

Published Jun 11, 2026

Tracked Since Jun 11, 2026