{"id":"CVE-2026-120429","aliases":["EUVD-2026-115238","GHSA-w2c5-xppr-2hh6"],"status":"published","title":"Camaleon CMS before 2.9.2 Missing Authorization via Admin::MediaController","description":"Camaleon CMS before 2.9.2 contains a missing authorization vulnerability in Admin::MediaController that allows low-privileged authenticated users to bypass the role-based Media permission. Attackers can POST to /admin/media/upload to store files, read private media via download_private_file, and use crop with saved_avatar to change other users' avatars.","severity":{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00347,"percentile":0.28648,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-11-02T14:28:54Z","modified":"2026-11-04T02:47:29Z","products":[{"vendor":"owen2345","product":"camaleon cms"}],"references":[{"url":"https://github.com/owen2345/camaleon-cms/pull/1147","tags":["patch","issue-tracking","fix"]},{"url":"https://github.com/owen2345/camaleon-cms/commit/7fe4fa0bf99256dfe32b5f674baf4f771606549e","tags":["patch","fix"]},{"url":"https://github.com/owen2345/camaleon-cms/blob/2.9.1/app/controllers/camaleon_cms/admin/media_controller.rb","tags":["technical-description","article"]},{"url":"https://github.com/owen2345/camaleon-cms/releases/tag/2.9.2","tags":["release-notes","advisory"]},{"url":"https://www.vulncheck.com/advisories/camaleon-cms-before-2.9.2-missing-authorization-via-admin-mediacontroller","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-120429","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-w2c5-xppr-2hh6"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/120xxx/CVE-2026-120429.json","tags":["advisory"]},{"url":"https://github.com/owen2345/camaleon-cms","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-120429","title":"Camaleon CMS before 2.9.2 Missing Authorization via Admin::MediaController","description":"Camaleon CMS before 2.9.2 contains a missing authorization vulnerability in Admin::MediaController that allows low-privileged authenticated users to bypass the role-based Media permission. Attackers can POST to /admin/media/upload to store files, read private media via download_private_file, and use crop with saved_avatar to change other users' avatars.","status":"published","published":"2026-11-02T14:28:54.34Z","modified":"2026-11-02T15:51:20.616Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T18:00:08.034842Z"}],"euvd":[{"id":"EUVD-2026-115238","description":"Camaleon CMS before 2.9.2 contains a missing authorization vulnerability in Admin::MediaController that allows low-privileged authenticated users to bypass the role-based Media permission. Attackers can POST to /admin/media/upload to store files, read private media via download_private_file, and use crop with saved_avatar to change other users' avatars.","status":"published","published":"2026-11-02T14:28:54Z","modified":"2026-11-02T15:51:20Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-03T05:08:40.757493Z"}],"ghsa":[{"id":"GHSA-w2c5-xppr-2hh6","title":"Camaleon CMS before 2.9.2 contains a missing authorization vulnerability in Admin:...","description":"Camaleon CMS before 2.9.2 contains a missing authorization vulnerability in Admin::MediaController that allows low-privileged authenticated users to bypass the role-based Media permission. Attackers can POST to /admin/media/upload to store files, read private media via download_private_file, and use crop with saved_avatar to change other users' avatars.","status":"published","published":"2026-11-02T15:31:35Z","modified":"2026-11-02T15:31:36Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N","level":"high"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T18:00:16.184668Z"}],"nvd":[{"id":"CVE-2026-120429","description":"Camaleon CMS before 2.9.2 contains a missing authorization vulnerability in Admin::MediaController that allows low-privileged authenticated users to bypass the role-based Media permission. Attackers can POST to /admin/media/upload to store files, read private media via download_private_file, and use crop with saved_avatar to change other users' avatars.","status":"published","published":"2026-11-02T15:17:24.19Z","modified":"2026-11-02T16:17:32.223Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T20:51:44.219211Z"}],"osv":[{"id":"CVE-2026-120429","title":"Camaleon CMS before 2.9.2 Missing Authorization via Admin::MediaController","description":"Camaleon CMS before 2.9.2 contains a missing authorization vulnerability in Admin::MediaController that allows low-privileged authenticated users to bypass the role-based Media permission. Attackers can POST to /admin/media/upload to store files, read private media via download_private_file, and use crop with saved_avatar to change other users' avatars.","status":"published","published":"2026-11-02T14:28:54.34Z","modified":"2026-11-04T02:47:29.539330069Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-862"],"updated_at":"2026-11-04T02:53:45.692342Z"}]}}