{"id":"CVE-2026-25531","aliases":["DEBIAN-CVE-2026-25531","EUVD-2026-6167","GHSA-vrm3-3337-whp9","UBUNTU-CVE-2026-25531"],"status":"published","title":"Kanboard TaskCreationController::duplicateProjects() endpoint does not validate user permissions for target projects","description":"Kanboard is project management software focused on Kanban methodology. Prior to 1.2.50, The fix for CVE-2023-33968 is incomplete. The TaskCreationController::duplicateProjects() endpoint does not validate user permissions for target projects, allowing authenticated users to duplicate tasks into projects they cannot access. This vulnerability is fixed in 1.2.50.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00265,"percentile":0.18572,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-02-13T15:04:24Z","modified":"2026-10-28T02:31:05Z","affected":[{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"kanboard-cli","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.2-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"python-kanboard","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.1-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"kanboard-cli","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.2-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"python-kanboard","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.1-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"kanboard-cli","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.2-1.1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"python-kanboard","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.1-1.1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"kanboard-cli","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.2-3"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"python-kanboard","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.1-2","1.1.5-1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"python-kanboard","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.5-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"python-kanboard","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.5-1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"python-kanboard","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.5-1","1.1.5-1build1"]}],"products":[{"vendor":"kanboard","product":"kanboard"}],"references":[{"url":"https://github.com/kanboard/kanboard/security/advisories/GHSA-vrm3-3337-whp9","tags":["x_refsource_CONFIRM","Exploit","Mitigation","Vendor Advisory","advisory","report"]},{"url":"https://github.com/kanboard/kanboard/commit/df7b7a21ee071f36466d8b38e40d0b0b8b8d394d","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://github.com/kanboard/kanboard/releases/tag/v1.2.50","tags":["x_refsource_MISC","Product","Release Notes","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25531.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25531","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-25531","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-25531","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-25531","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-25531","title":"Kanboard TaskCreationController::duplicateProjects() endpoint does not validate user permissions for target projects","description":"Kanboard is project management software focused on Kanban methodology. Prior to 1.2.50, The fix for CVE-2023-33968 is incomplete. The TaskCreationController::duplicateProjects() endpoint does not validate user permissions for target projects, allowing authenticated users to duplicate tasks into projects they cannot access. This vulnerability is fixed in 1.2.50.","status":"published","published":"2026-02-13T15:04:24.316Z","modified":"2026-02-13T15:32:51.222Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T13:41:30.911526Z"}],"euvd":[{"id":"EUVD-2026-6167","description":"Kanboard is project management software focused on Kanban methodology. Prior to 1.2.50, The fix for CVE-2023-33968 is incomplete. The TaskCreationController::duplicateProjects() endpoint does not validate user permissions for target projects, allowing authenticated users to duplicate tasks into projects they cannot access. This vulnerability is fixed in 1.2.50.","status":"published","published":"2026-02-13T15:04:24Z","modified":"2026-02-13T15:32:51Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:48:39.919829Z"}],"nvd":[{"id":"CVE-2026-25531","description":"Kanboard is project management software focused on Kanban methodology. Prior to 1.2.50, The fix for CVE-2023-33968 is incomplete. The TaskCreationController::duplicateProjects() endpoint does not validate user permissions for target projects, allowing authenticated users to duplicate tasks into projects they cannot access. This vulnerability is fixed in 1.2.50.","status":"published","published":"2026-02-13T15:15:57.99Z","modified":"2026-06-17T10:24:48.207Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:05.908608Z"}],"osv":[{"id":"CVE-2026-25531","title":"Kanboard TaskCreationController::duplicateProjects() endpoint does not validate user permissions for target projects","description":"Kanboard is project management software focused on Kanban methodology. Prior to 1.2.50, The fix for CVE-2023-33968 is incomplete. The TaskCreationController::duplicateProjects() endpoint does not validate user permissions for target projects, allowing authenticated users to duplicate tasks into projects they cannot access. This vulnerability is fixed in 1.2.50.","status":"published","published":"2026-02-13T15:04:24.316Z","modified":"2026-10-28T02:31:05.325715656Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:44:59.438965Z"},{"id":"DEBIAN-CVE-2026-25531","description":"Kanboard is project management software focused on Kanban methodology. Prior to 1.2.50, The fix for CVE-2023-33968 is incomplete. The TaskCreationController::duplicateProjects() endpoint does not validate user permissions for target projects, allowing authenticated users to duplicate tasks into projects they cannot access. This vulnerability is fixed in 1.2.50.","status":"withdrawn","published":"2026-02-13T15:15:57.99Z","modified":"2026-05-07T20:01:44.711528Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:53.877573Z"},{"id":"UBUNTU-CVE-2026-25531","description":"Kanboard is project management software focused on Kanban methodology. Prior to 1.2.50, The fix for CVE-2023-33968 is incomplete. The TaskCreationController::duplicateProjects() endpoint does not validate user permissions for target projects, allowing authenticated users to duplicate tasks into projects they cannot access. This vulnerability is fixed in 1.2.50.","status":"published","published":"2026-02-13T15:15:00Z","modified":"2026-10-17T12:58:07.399285399Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T16:56:08.726452Z"}]}}