CVE-2023-33970 Missing access control in internal task links feature in Kanboard
Low-privilege users can view titles of all tasks and projects, including private ones, due to missing access controls in Kanboard.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-33970?
CVE-2023-33970 is a medium-severity missing authorization vulnerability in kanboard, published on 5 Jun 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-862
Which versions are affected by CVE-2023-33970?
It affects 1 product.
Products include Kanboard Kanboard.
How do I fix CVE-2023-33970?
No fix has been published for CVE-2023-33970 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2023-33970 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-33970 exists.
Other vulnerabilities in kanboard
- CVE-2026-21881 Kanboard is Vulnerable to Reverse Proxy Authentication Bypass
- CVE-2025-55010 Kanboard Authenticated Admin Remote Code Execution via Unsafe Deserialization of Events
- CVE-2024-51747 Arbitrary File Read and Delete in kanboard
- CVE-2024-51748 Remote code execution through language setting in kanboard
- CVE-2017-12850 Business logic in n/a
Sources
Also known as GHSA-wfch-8rhv-v286.