Medium · published May 2, 2026
A security flaw has been discovered in JeecgBoot up to 3.9.1. This vulnerability affects the function CommonController.uploadImgByHttp/HttpFileToMultipartFileUtil.httpFileToMultipartFile/HttpFileToMultipartFileUtil.downloadImageData of the file CommonController.java of the component uploadImgByHttpEndpoint. Performing a manipulation results in server-side request forgery. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. Upgrading the affected component is recommended. The vendor confirmed the issue and will provide a fix in the upcoming release.