CSRF in Kanboard
CVE-2026-24885
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.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.002 (7.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Kanboard — versions < 1.2.50
Weakness classification (CWE)
References
- github.com/kanboard/kanboard/security/advisories/GHSA-582j-h4w4-hwr5 (Exploit, Vendor Advisory)
- github.com/kanboard/kanboard/commit/2c56d92783d4a3094812c2f7cba50f80a372f95e (Patch)
- github.com/kanboard/kanboard/releases/tag/v1.2.50 (Product, Release Notes)
Frequently asked questions
- What is CVE-2026-24885?
- CVE-2026-24885 is a medium-severity vulnerability in Kanboard, classified under Cross-Site Request Forgery (CSRF). CVSS score: 5.7/10. Published 2026-02-10.
- How severe is CVE-2026-24885?
- Medium severity. CVSS v3 base score is 5.7 out of 10.