CVE-2026-40999

CVE-2026-40999 affects Spring Web Services (versions across 3.1.0–3.1.8, 4.0.0–4.0.18, 4.1.0–4.1.3, 5.0.0–5.0.1). When WS-Addressing is used with non-anonymous ReplyTo or FaultTo addresses, Spring WS can initiate outbound connections via configured WebServiceMessageSender instances to destination...

CVE-2026-40999: Spring WS SSRF via unvalidated WS-Addressing reply destinations

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. A remo...