SB2026072858 - Authorization bypass through user-controlled key in Wekan



SB2026072858 - Authorization bypass through user-controlled key in Wekan

Published: July 28, 2026

Security Bulletin ID SB2026072858
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Authorization bypass through user-controlled key (CVE-ID: CVE-2026-53447)

CWE-ID: CWE-639 - Authorization Bypass Through User-Controlled Key

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to disclose sensitive information.

The vulnerability exists due to missing authorization in the cloneBoard Meteor method when invoking the method with a caller-supplied sourceBoardId. A remote user can send a crafted method call to disclose sensitive information.

The cloned board is created under the caller's account and may include cards, comments, attachments, member information, and activities from a private board.


Remediation

Install update from vendor's website.