SB2026072866 - NULL pointer dereference in Wekan



SB2026072866 - NULL pointer dereference in Wekan

Published: July 28, 2026

Security Bulletin ID SB2026072866
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) NULL pointer dereference (CVE-ID: N/A)

CWE-ID: CWE-476 - NULL Pointer Dereference

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


The vulnerability allows a remote user to cause a denial of service.

The vulnerability exists due to a null pointer dereference in board export REST endpoints when handling requests with an invalid authToken for a private board. A remote user can send a specially crafted request to cause a denial of service.

The issue affects multiple export routes and is triggered only when the REST API is enabled and a private board identifier is used.


Remediation

Install update from vendor's website.