{"id":"CVE-2025-27601","aliases":["EUVD-2025-7794","GHSA-6ffg-mjg7-585x"],"status":"published","title":"Umbraco Allows Improper API Access Control to Low-Privilege Users to Data Type Functionality","description":"Umbraco is a free and open source .NET content management system. An improper API access control issue has been identified Umbraco's API management package prior to versions 15.2.3 and 14.3.3, allowing low-privilege, authenticated users to create and update data type information that should be restricted to users with access to the settings section. The issue is patched in versions 15.2.3 and 14.3.3. No known workarounds are available.","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":"2026-11-09","score":0.00323,"percentile":0.2546,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-285","CWE-863"],"published":"2025-03-11T15:27:28Z","modified":"2026-10-28T02:30:23Z","fixes":[{"ecosystem":"NuGet","package":"Umbraco.Cms.Api.Management","fixed_in":["15.2.3","14.3.3"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"Umbraco.Cms.Api.Management","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"15.0.0-rc1"},{"last_affected":"15.2.2"},{"fixed":"15.2.3"}]}]},{"source":"ghsa","ecosystem":"NuGet","package":"Umbraco.Cms.Api.Management","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"14.3.2"},{"fixed":"14.3.3"}]}]},{"source":"osv","ecosystem":"NuGet","package":"Umbraco.Cms.Api.Management","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"15.0.0-rc1"},{"fixed":"15.2.3"}]}],"versions":["15.0.0","15.0.0-rc1","15.0.0-rc2","15.0.0-rc3","15.0.0-rc4","15.1.0","15.1.0-rc","15.1.0-rc2","15.1.1","15.1.2","15.2.0","15.2.0-rc","15.2.1","15.2.2"]},{"source":"osv","ecosystem":"NuGet","package":"Umbraco.Cms.Api.Management","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"14.3.3"}]}],"versions":["14.0.0","14.0.0-rc1","14.0.0-rc2","14.0.0-rc3","14.0.0-rc4","14.0.0-rc5","14.1.0","14.1.0-rc","14.1.0-rc2","14.1.1","14.1.2","14.2.0","14.2.0-rc","14.2.0-rc2","14.2.0-rc3","14.3.0","14.3.0-rc","14.3.1","14.3.2"]}],"products":[{"vendor":"umbraco","product":"umbraco-cms"},{"vendor":"umbraco","product":"umbraco_cms"}],"references":[{"url":"https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-6ffg-mjg7-585x","tags":["x_refsource_CONFIRM","Third Party Advisory","advisory","web"]},{"url":"https://github.com/umbraco/Umbraco-CMS/commit/d9fb6df16e9adf8656181cac8497fc5ba23321cd","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://github.com/umbraco/Umbraco-CMS/commit/ebb6a580dc1da2c772a99838dc7b4660bf77eb9c","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-27601","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6ffg-mjg7-585x"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/27xxx/CVE-2025-27601.json","tags":["advisory"]},{"url":"https://github.com/umbraco/Umbraco-CMS","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-27601","title":"Umbraco Allows Improper API Access Control to Low-Privilege Users to Data Type Functionality","description":"Umbraco is a free and open source .NET content management system. An improper API access control issue has been identified Umbraco's API management package prior to versions 15.2.3 and 14.3.3, allowing low-privilege, authenticated users to create and update data type information that should be restricted to users with access to the settings section. The issue is patched in versions 15.2.3 and 14.3.3. No known workarounds are available.","status":"published","published":"2025-03-11T15:30:09.761Z","modified":"2025-03-11T18:53:25.59Z","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-285","CWE-863"],"updated_at":"2026-11-02T14:32:42.411662Z"}],"euvd":[{"id":"EUVD-2025-7794","description":"Umbraco is a free and open source .NET content management system. An improper API access control issue has been identified Umbraco's API management package prior to versions 15.2.3 and 14.3.3, allowing low-privilege, authenticated users to create and update data type information that should be restricted to users with access to the settings section. The issue is patched in versions 15.2.3 and 14.3.3. No known workarounds are available.","status":"published","published":"2025-03-11T15:30:09Z","modified":"2025-03-11T18:53:25Z","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":"2026-11-02T20:53:06.845495Z"}],"ghsa":[{"id":"GHSA-6ffg-mjg7-585x","title":"Umbraco Allows Improper API Access Control to Low-Privilege Users to Data Type Functionality","description":"### Impact\nAn improper API access control issue has been identified, allowing low-privilege, authenticated users to create and update data type information that should be restricted to users with access to the settings section.\n\n### Patches\nWill be patched in 14.3.3 and 15.2.3.\n\n### Workarounds\nNone available.","status":"published","published":"2025-03-11T15:27:28Z","modified":"2025-03-12T14:40:21Z","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-285","CWE-863"],"updated_at":"2026-11-02T14:38:34.185137Z"}],"nvd":[{"id":"CVE-2025-27601","description":"Umbraco is a free and open source .NET content management system. An improper API access control issue has been identified Umbraco's API management package prior to versions 15.2.3 and 14.3.3, allowing low-privilege, authenticated users to create and update data type information that should be restricted to users with access to the settings section. The issue is patched in versions 15.2.3 and 14.3.3. No known workarounds are available.","status":"published","published":"2025-03-11T16:15:17.943Z","modified":"2026-06-17T09:03:53.58Z","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-285","CWE-863"],"updated_at":"2026-11-02T14:10:53.93104Z"}],"osv":[{"id":"CVE-2025-27601","title":"Umbraco Allows Improper API Access Control to Low-Privilege Users to Data Type Functionality","description":"Umbraco is a free and open source .NET content management system. An improper API access control issue has been identified Umbraco's API management package prior to versions 15.2.3 and 14.3.3, allowing low-privilege, authenticated users to create and update data type information that should be restricted to users with access to the settings section. The issue is patched in versions 15.2.3 and 14.3.3. No known workarounds are available.","status":"published","published":"2025-03-11T15:30:09.761Z","modified":"2026-10-28T02:30:23.379099637Z","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-285","CWE-863"],"updated_at":"2026-11-02T15:44:47.708311Z"},{"id":"GHSA-6ffg-mjg7-585x","title":"Umbraco Allows Improper API Access Control to Low-Privilege Users to Data Type Functionality","description":"### Impact\nAn improper API access control issue has been identified, allowing low-privilege, authenticated users to create and update data type information that should be restricted to users with access to the settings section.\n\n### Patches\nWill be patched in 14.3.3 and 15.2.3.\n\n### Workarounds\nNone available.","status":"published","published":"2025-03-11T15:27:28Z","modified":"2025-03-12T15:10:23.278212Z","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-285","CWE-863"],"updated_at":"2026-11-02T15:46:39.618611Z"}]}}