Kanboard Affected by Cross-Site Request Forgery (CSRF) via Content-Type Misconfiguration in Project Role Assignment
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-352.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA kanboard (kanboard) Fixed in 1.2.50
Timeline
- 2026-10-02 Threatist record created from CVE-2026-24885
References
More Kanboard vulnerabilities
- TI-2026-17582 Kanboard is Vulnerable to Reverse Proxy Authentication Bypass CVSS 3.1CRITICAL 9.1
- TI-2025-34713 Kanboard Authenticated Admin Remote Code Execution via Unsafe Deserialization of Events CVSS 3.1CRITICAL 9.1
- TI-2024-34653 Remote code execution through language setting in kanboard CVSS 3.1CRITICAL 9.1
- TI-2024-34652 Arbitrary File Read and Delete in kanboard CVSS 3.1CRITICAL 9.1
- TI-2025-32655 Kanboard Password Reset Poisoning via Host Header Injection CVSS 3.1HIGH 8.8
- TI-2026-20954 Kanboard is Missing Access Control on Plugin Installation leading to Administrative RCE CVSS 3.1HIGH 8.5
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences