SB2026090140 - Authorization bypass through user-controlled key in Wekan



SB2026090140 - Authorization bypass through user-controlled key in Wekan

Published: September 1, 2026

Security Bulletin ID SB2026090140
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Authorization bypass through user-controlled key (CVE-ID: N/A)

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

CVSSv4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to missing authorization within the nextPage and previousPage Meteor publications. A remote attacker can read card content from private boards they have no membership in.


Remediation

Install update from vendor's website.