CVE-2026-22732: VMware Spring Security

Critical severity, CVSS 9.1. EPSS: 0.5% chance of exploitation in the next 30 days.

When applications specify HTTP response headers for servlet applications using Spring Security, there is the possibility that the HTTP Headers will not be written.  This issue affects Spring Security Servlet applications using lazy (default) writing of HTTP Headers: : from 5.7.0 through 5.7.21, from 5.8.0 through 5.8.23, from 6.3.0 through 6.3.14, from 6.4.0 through 6.4.14, from 6.5.0 through 6.5.8, from 7.0.0 through 7.0.3.

Affected products

• VMware Spring Security: before 5.7.22 (fixed in 5.7.22); from 5.8.0, before 5.8.24 (fixed in 5.8.24); from 6.3.0, before 6.3.15 (fixed in 6.3.15); from 6.4.0, before 6.4.15 (fixed in 6.4.15); from 6.5.0, before 6.5.9 (fixed in 6.5.9); from 7.0.0, before 7.0.4 (fixed in 7.0.4)

Published 2026-03-19. Last modified 2026-06-17.