关键信息 Title: Wekan <8.21 Improper access control (CWE-284) Description: - Methods involved in moving or validating attachment storage did not consistently enforce board visibility or required privileges for the referenced board/attachments, potentially allowing unauthorized access. - The fix includes authorization/visibility checks before proceeding and strengthens validation. Source: https://github.com/wekan/wekan/commit/8c0b4f79d8582932528ec2fdf2a4487c86770fb9 User: MegaManSec (UID 94702) Submission Date: 01/20/2026 12:41 PM Moderation Date: 02/04/2026 03:46 PM Status: Accepted VulDB Entry: 234267 Affected Versions: WeKan up to 8.20 Attachment Storage models/lists.js applyWipLimit ListWIPBleed access control Points: 18