CVE-2026-24885 Kanboard Affected by Cross-Site Request Forgery (CSRF) via Content-Type Misconfiguration in Project Role Assignment
An attacker can modify project user roles by tricking an authenticated admin into visiting a malicious site due to missing Content-Type validation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-24885?
CVE-2026-24885 is a medium-severity vulnerability in kanboard, published on 10 Feb 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Kanboard is project management software focused on Kanban methodology. Prior to 1.2.50, a Cross-Site Request Forgery (CSRF) vulnerability exists in the ProjectPermissionController within the Kanboard application. The application fails to strictly enforce the application/json Content-Type for the changeUserRole action. Although the request body is JSON, the server accepts text/plain, allowing an attacker to craft a malicious form using the text/plain attribute. Which allows unauthorized modification of project user roles if an authenticated admin visits a malicious site This vulnerability is fixed in 1.2.50.
Weakness: CWE-352
Which versions are affected by CVE-2026-24885?
It affects 1 product.
Products include Kanboard Kanboard.
How do I fix CVE-2026-24885?
No fix has been published for CVE-2026-24885 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-24885 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-24885 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-582j-h4w4-hwr5, UBUNTU-CVE-2026-24885.