{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-24885", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-01-27T19:35:20.528Z", "datePublished": "2026-02-10T16:40:01.579Z", "dateUpdated": "2026-02-10T17:27:35.020Z"}, "containers": {"cna": {"title": "Kanboard Affected by Cross-Site Request Forgery (CSRF) via Content-Type Misconfiguration in Project Role Assignment", "problemTypes": [{"descriptions": [{"cweId": "CWE-352", "lang": "en", "description": "CWE-352: Cross-Site Request Forgery (CSRF)", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/kanboard/kanboard/security/advisories/GHSA-582j-h4w4-hwr5", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/kanboard/kanboard/security/advisories/GHSA-582j-h4w4-hwr5"}, {"name": "https://github.com/kanboard/kanboard/commit/2c56d92783d4a3094812c2f7cba50f80a372f95e", "tags": ["x_refsource_MISC"], "url": "https://github.com/kanboard/kanboard/commit/2c56d92783d4a3094812c2f7cba50f80a372f95e"}, {"name": "https://github.com/kanboard/kanboard/releases/tag/v1.2.50", "tags": ["x_refsource_MISC"], "url": "https://github.com/kanboard/kanboard/releases/tag/v1.2.50"}], "affected": [{"vendor": "kanboard", "product": "kanboard", "versions": [{"version": "< 1.2.50", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-02-10T16:40:01.579Z"}, "descriptions": [{"lang": "en", "value": "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."}], "source": {"advisory": "GHSA-582j-h4w4-hwr5", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/kanboard/kanboard/security/advisories/GHSA-582j-h4w4-hwr5", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-02-10T17:27:32.266776Z", "id": "CVE-2026-24885", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-10T17:27:35.020Z"}}]}}

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.2.50)"}}], "product": "kanboard", "vendor": "kanboard"}], "analysis": {"en": {"generated_at": "2026-04-17T20:46:28.707120+00:00", "value": {"mitigation_remediation": ["Upgrade Kanboard to version 1.2.50 or later to apply the vendor\u2011provided fix.", "Configure the web server to reject POST requests with the Content-Type header set to text/plain when targeting the changeUserRole endpoint.", "Monitor administrator accounts for unexpected role changes and review logs for calls to the role\u2011assignment API."], "summary": {"action": "Immediate Patch", "impact": "Access Control Bypass via CSRF"}, "threat_synthesis": {"affected_systems": "All installations of Kanboard earlier than 1.2.50 are affected. The product is distributed under the project name Kanboard, version 1.0 through 1.2.49. The applicable vendor/product is kanboard:kanboard, as reflected in the CNA listing. No additional versions or distributions are mentioned.", "description_and_impact": "Kanboard implements a project authorization module that allows administrators to assign roles to users. Before version 1.2.50, the controller that handles role changes does not enforce the Content-Type header for the request body, accepting text/plain even though the body is JSON. An attacker can send a forged request from a malicious webpage that sets the Content-Type to text/plain and post JSON data, exploiting CSRF. The result is that an authenticated administrator who inadvertently visits a malicious site can have the role of a user changed without knowing it, effectively elevating or delegating privileges.", "risk_and_exploitability": "The CVSS base score of 5.7 indicates moderate severity with an attacker authenticating as an administrator to perform the action. EPSS is reported as < 1%, suggesting the likelihood of exploitation is low at present. The vulnerability is not listed in the CISA KEV catalog. Successful exploitation requires an authenticated admin, a web page capable of sending a POST request to the changeUserRole endpoint, and the ability to coerce the admin to visit that page. Once a request is sent, the server process accepts it because it does not check the Content-Type, allowing the role change API to be invoked with attacker-supplied JSON."}}}}, "created": "2026-02-10T21:42:02.167667+00:00", "updated": "2026-04-17T21:00:12.680500+00:00", "vendors": ["kanboard", "kanboard$PRODUCT$kanboard"]}