What is CVE-2026-1640?

CVE-2026-1640 is a medium-severity vulnerability in Taskbuilder – Project Management & Task Tool With Kanban Board, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-02-18.

How severe is CVE-2026-1640?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Taskbuilder – Project Management & Task Tool With Kanban Board

CVE-2026-1640

The Taskbuilder – WordPress Project Management & Task Management plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 5.0.2. This is due to missing authorization checks on the project and task co…

Vulnerability class: Broken Access Control

EPSS: 0.000 (1.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Taskbuilder – Project Management & Task Tool With Kanban Board — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

Frequently asked questions

What is CVE-2026-1640?: CVE-2026-1640 is a medium-severity vulnerability in Taskbuilder – Project Management & Task Tool With Kanban Board, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-02-18.
How severe is CVE-2026-1640?: Medium severity. CVSS v3 base score is 4.3 out of 10.