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CVE-2026-25531 - Vulnerability Analysis

MediumCVSS: 4.3

Last Updated: February 13, 2026

Kanboard - Broken Access Control

Published: February 13, 2026Updated: February 13, 2026PoC AvailableRemote Exploitable

Overview

Kanboard prior to 1.2.50 contains a broken access control vulnerability caused by lack of permission validation in TaskCreationController::duplicateProjects() endpoint, letting authenticated users duplicate tasks into unauthorized projects.

Severity & Score

Severity: Medium

CVSS Score: 4.3

Impact

Authenticated users can duplicate tasks into projects they do not have access to, potentially leading to unauthorized data manipulation.

Mitigation

Upgrade to version 1.2.50 or later.

References

https://github.com/kanboard/kanboard/commit/df7b7a21ee071f36466d8b38e40d0b0b8b8d394d
https://github.com/kanboard/kanboard/releases/tag/v1.2.50
https://github.com/kanboard/kanboard/security/advisories/GHSA-vrm3-3337-whp9

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Details

CVE ID: CVE-2026-25531
Severity: Medium
CVSS Score: 4.3
Type: broken_access_control
Status: confirmed

CWE

CWE-862

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N