A security vulnerability has been detected in O2OA up to 9.5.3/10.0.2. This vulnerability affects the function list of the file o2server/x_base_core_project/src/main/java/com/x/base/core/project/connection/CipherConnectionAction.java of the component Cipher Connection Handler. Such manipulation of the argument fileUrl leads to information disclosure. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.