A flaw was found in Spring Security in combination with Spring Framework versions prior to 5.0.6 contains an authorization bypass when using method security. An unauthorized malicious user can gain unauthorized access to methods that should be restricted.

References: https://pivotal.io/security/cve-2018-1258

Pivotal Spring Framework is vulnerable to cross-site tracing, caused by a flaw in the HiddenHttpMethodFilter in Spring MVC. By persuading a victim to visit a specially-crafted Web site, an attacker could exploit this vulnerability to cause the victim's browser to invoke a TRACE request to return sensitive header information including cookies or authentication data from third-party domains.