Spring Boot Security Review
Use when adding auth, handling input, creating endpoints, or dealing with secrets.
When to Activate
- Adding authentication (JWT, OAuth2, session-based)
- Implementing authorization (@PreAuthorize, role-based access)
- Validating user input (Bean Validation, custom validators)
- Configuring CORS, CSRF, or security headers
- Managing secrets (Vault, environment variables)
- Adding rate limiting or brute-force protection
- Scanning dependencies for CVEs
Authentication
- Prefer stateless JWT or opaque tokens with revocation list
- Use
httpOnly,Secure,SameSite=Strictcookies for sessions - Validate tokens with
OncePerRequestFilteror resource server
@Component
public class JwtAuthFilter extends OncePerRequestFilter {
private final JwtService jwtService;
public JwtAuthFilter(JwtService jwtService) {
this.jwtService = jwtService;
}
@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response,
FilterChain chain) throws ServletException, IOException {
String header = request.getHeader(HttpHeaders.AUTHORIZATION);
if (header != null && header.startsWith("Bearer ")) …