What is CVE-2026-40994?

CVE-2026-40994 is a high-severity vulnerability in Spring Web Services, classified under Initialization of a Resource with an Insecure Default. CVSS score: 8.2/10. Published 2026-06-11.

How severe is CVE-2026-40994?

High severity. CVSS v3 base score is 8.2 out of 10.

RCE in Spring Web Services

CVE-2026-40994

Wss4jSecurityInterceptor initialized its BSP (WS-I Basic Security Profile) compliance flag so that inbound validation disabled WSS4J BSP enforcement on RequestData. Services that validate WS-Security on the network could therefore accept m…

EPSS: 0.002 (13.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N.

Affected products

Spring Web Services — versions 5.0.0, 4.1.0, 4.0.0

Weakness classification (CWE)

CWE-1188 — Initialization of a Resource with an Insecure Default

References

security@vmware.com

Frequently asked questions

What is CVE-2026-40994?: CVE-2026-40994 is a high-severity vulnerability in Spring Web Services, classified under Initialization of a Resource with an Insecure Default. CVSS score: 8.2/10. Published 2026-06-11.
How severe is CVE-2026-40994?: High severity. CVSS v3 base score is 8.2 out of 10.