CVE-2023-33970: Missing access control in internal task links feature in Kanboard

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-06-05 · updated 2026-06-17
Weakness: CWE-862

Description

Kanboard is open source project management software that focuses on the Kanban methodology. A vulnerability related to a `missing access control` was found, which allows a User with the lowest privileges to leak all the tasks and projects titles within the software, even if they are not invited or it's a personal project. This could also lead to private/critical information being leaked if such information is in the title. This issue has been addressed in version 1.2.30. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected products

kanboard: before 1.2.30 — fixed in 1.2.30

How to fix

Upgrade to a fixed version: kanboard 1.2.30. Check the vendor advisory for mitigations.

References

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