Report: CVE-2026-40968 - Spring gRPC SecurityContext leaks across requests on authorization failure - 2025 Update
CVE ID :CVE-2026-40968 Published : April 28, 2026, 1:42 p.m. | 53 minutes ago Description :When an authenticated user is denied access to a gRPC method, their authenticated identity remains bound to the gRPC worker thread and can be inherited by a subsequent unauthenticated request on the same thread. This may allow the subsequent user to gain escalated permissions. Affected versions: Spring gRPC: 1.0.0 - 1.0.2 (fixed in 1.0.3). Older, unsupported versions are also affected. Severity: 4.3 | MEDIUM Visit the link for more details, such as CVSS details, affected products, timeline, and more...