SB2026072859 - Path traversal in Wekan

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Main Vulnerability Database SB2026072859

SB2026072859 - Path traversal in Wekan

Published: July 28, 2026

Security Bulletin ID SB2026072859
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Path traversal (CVE-ID: CVE-2026-52890)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:L/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 path traversal in attachment file handling when processing attachment download requests using attacker-controlled versions.original.path and versions.original.storage metadata. A remote user can insert a specially crafted attachment record to disclose sensitive information.

The issue is reachable by a logged-in board member with write access and does not require user interaction.


Remediation

Install update from vendor's website.

References