---
id: CVE-2025-65782
title: >-
  An issue was discovered in Wekan The Open Source kanban board system up to
  version 18.15, fixed in 18.16
summary: >-
  An issue was discovered in Wekan The Open Source kanban board system up to
  version 18.15, fixed in 18.16. Authorization flaw in card update handling
  allows board members (and potentially other authenticated users) to add/remove
  arbitrary…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N'
cwe:
  - CWE-285
vendor: wekan_project
product: wekan
affected:
  - wekan <= 8.15
published: '2025-12-15'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T13:10:00.187'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-65782'
references:
  - url: 'https://github.com/wekan/wekan'
    label: cve@mitre.org
  - url: >-
      https://github.com/wekan/wekan/blob/main/CHANGELOG.md#v816-2025-11-02-wekan--release
    label: cve@mitre.org
  - url: >-
      https://github.com/wekan/wekan/commit/0a1a075f3153e71d9a858576f1c68d2925230d9c
    label: cve@mitre.org
  - url: 'https://wekan.fi/hall-of-fame/spacebleed/'
    label: cve@mitre.org
tags:
  - nvd
epss: 0.00262
epssPercentile: 0.16689
ingestedAt: '2026-10-14T13:30:58.428Z'
---

## Overview

An issue was discovered in Wekan The Open Source kanban board system up to version 18.15, fixed in 18.16. Authorization flaw in card update handling allows board members (and potentially other authenticated users) to add/remove arbitrary user IDs in vote.positive / vote.negative arrays, enabling vote forgery and unauthorized voting.

## Affected

- `wekan <= 8.15`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.