Kanboard
CVE-2026-24885
MEDIUM
Severity by source
AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
Lifecycle Timeline
4DescriptionGitHub Advisory
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.
AnalysisAI
Kanboard versions prior to 1.2.50 contain a CSRF vulnerability in the ProjectPermissionController that accepts text/plain content instead of enforcing application/json, enabling attackers to modify project user roles through malicious forms. An authenticated admin visiting a malicious website could be tricked into unknowingly changing role assignments, potentially granting unauthorized access to projects. …
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Vulnerability AssessmentAI
| Risk Assessment | CVSS 5.7 (MEDIUM). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker without authentication could exploit this vulnerability to compromise the affected system. |
| Remediation | A vendor patch is available — apply it immediately. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. …
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