{"id":"CVE-2026-45415","aliases":["EUVD-2026-54236","GHSA-q79h-67vx-m9xg"],"status":"published","title":"Decidim: CSV census record endpoints improper authorization","description":"Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 before 0.32.0.rc2, the /admin/csv_census/census_logs record-management endpoints do not enforce full administrator authorization before rendering or mutating Decidim::Verifications::CsvDatum, allowing a participant manager to create, alter, or remove census records. This issue is fixed in versions 0.30.9, 0.31.5, and 0.32.0.rc2.","severity":{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00425,"percentile":0.37276,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-285","CWE-862"],"published":"2026-07-13T17:17:33Z","modified":"2026-10-28T02:30:36Z","fixes":[{"ecosystem":"RubyGems","package":"decidim-verifications","fixed_in":["0.30.9","0.31.5","0.32.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"RubyGems","package":"decidim-verifications","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.30.9"}]}]},{"source":"ghsa","ecosystem":"RubyGems","package":"decidim-verifications","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.31.0.rc1"},{"fixed":"0.31.5"}]}]},{"source":"ghsa","ecosystem":"RubyGems","package":"decidim-verifications","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.32.0.rc1"},{"fixed":"0.32.0"}]}]},{"source":"osv","ecosystem":"RubyGems","package":"decidim-verifications","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.30.9"}]}],"versions":["0.10.0","0.10.1","0.11.0.pre1","0.11.1","0.11.2","0.12.0","0.12.0.pre","0.12.1","0.12.2","0.13.0","0.13.0.pre1","0.13.1","0.14.1","0.14.2","0.14.3","0.14.4","0.15.0","0.15.1","0.15.2","0.16.0","0.16.1","0.17.0","0.17.1","0.17.2","0.18.0","0.18.1","0.19.0","0.19.1","0.20.0","0.20.1","0.21.0","0.22.0","0.23.0","0.23.1","0.23.1.rc1","0.23.2","0.23.3","0.23.4","0.23.5","0.23.6","0.24.0","0.24.0.rc1","0.24.0.rc2","0.24.1","0.24.2","0.24.3","0.25.0","0.25.0.rc1","0.25.0.rc2","0.25.0.rc3","0.25.0.rc4","0.25.1","0.25.2","0.26.0","0.26.0.rc1","0.26.0.rc2","0.26.1","0.26.10","0.26.2","0.26.3","0.26.4","0.26.5","0.26.7","0.26.8","0.26.9","0.27.0","0.27.0.rc1","0.27.0.rc2","0.27.1","0.27.10","0.27.2","0.27.3","0.27.4","0.27.5","0.27.6","0.27.7","0.27.8","0.27.9","0.28.0","0.28.0.rc4","0.28.0.rc5","0.28.1","0.28.2","0.28.3","0.28.4","0.28.5","0.28.6","0.29.0","0.29.0.rc1","0.29.0.rc2","0.29.0.rc3","0.29.0.rc4","0.29.1","0.29.2","0.29.3","0.29.4","0.29.5","0.29.6","0.29.7","0.30.0","0.30.0.rc1","0.30.0.rc2","0.30.0.rc3","0.30.1","0.30.2","0.30.3","0.30.4","0.30.5","0.30.6","0.30.7","0.30.8","0.8.0","0.8.1","0.8.2","0.8.3","0.8.4","0.9.0","0.9.1","0.9.2","0.9.3"]},{"source":"osv","ecosystem":"RubyGems","package":"decidim-verifications","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.31.0.rc1"},{"fixed":"0.31.5"}]}],"versions":["0.31.0","0.31.0.rc1","0.31.0.rc2","0.31.1","0.31.2","0.31.3","0.31.4"]},{"source":"osv","ecosystem":"RubyGems","package":"decidim-verifications","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.32.0.rc1"},{"fixed":"0.32.0"}]}],"versions":["0.32.0.rc1","0.32.0.rc2","0.32.0.rc3"]}],"products":[{"vendor":"decidim","product":"decidim"}],"references":[{"url":"https://github.com/decidim/decidim/security/advisories/GHSA-q79h-67vx-m9xg","tags":["x_refsource_CONFIRM","exploit","advisory","web"]},{"url":"https://github.com/decidim/decidim/pull/16674","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/decidim/decidim/pull/16703","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/advisories/GHSA-q79h-67vx-m9xg"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45415.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45415","tags":["advisory"]},{"url":"https://github.com/decidim/decidim","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-45415","title":"Decidim: CSV census record endpoints improper authorization","description":"Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 before 0.32.0.rc2, the /admin/csv_census/census_logs record-management endpoints do not enforce full administrator authorization before rendering or mutating Decidim::Verifications::CsvDatum, allowing a participant manager to create, alter, or remove census records. This issue is fixed in versions 0.30.9, 0.31.5, and 0.32.0.rc2.","status":"published","published":"2026-08-06T19:33:31.514Z","modified":"2026-08-07T15:45:33.809Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T13:46:43.922571Z"}],"euvd":[{"id":"EUVD-2026-54236","description":"Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 before 0.32.0.rc2, the /admin/csv_census/census_logs record-management endpoints do not enforce full administrator authorization before rendering or mutating Decidim::Verifications::CsvDatum, allowing a participant manager to create, alter, or remove census records. This issue is fixed in versions 0.30.9, 0.31.5, and 0.32.0.rc2.","status":"published","published":"2026-08-06T19:33:31Z","modified":"2026-08-07T15:45:33Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L","level":"medium"}],"updated_at":"2026-11-02T18:02:06.930016Z"}],"ghsa":[{"id":"GHSA-q79h-67vx-m9xg","title":"Decidim: CSV census record endpoints improper authorization","description":"## Description\n\nA participant manager can access and modify the CSV census record admin forms.\n\n## Technical description\n\nThe CSV census admin record-management surface under `/admin/csv_census/census_logs` does not enforce admin-only authorization before rendering or mutating `Decidim::Verifications::CsvDatum`.\n\nA participant manager (which can only manage participants) can therefore open the admin forms, create or update census rows, and delete rows directly.\n\nReproduction steps:\n1. Sign in a participant admin and open `http://localhost:3000/admin/csv_census/census_logs/new_record` in the browser. Confirm the create form loads even though the session is not a full admin.\n\n\u003cimg width=\"1541\" height=\"274\" alt=\"decidim-census-01\" src=\"https://github.com/user-attachments/assets/859ee101-746f-4acb-8051-27036689f1b3\" /\u003e\n\n\u003cimg width=\"1538\" height=\"363\" alt=\"decidim-census-02\" src=\"https://github.com/user-attachments/assets/85bbb004-a999-46dc-856c-fd32b50ced2c\" /\u003e\n\nNote that normal participant accounts were not able to access the CSV census records which is good.\n\n### Impact\n \nAny participant admin can create, alter, or remove CSV census rows, which can corrupt verification data relied on by authorization workflows.\n\n### Patches\n\nSee https://github.com/decidim/decidim/pull/16674 and https://github.com/decidim/decidim/pull/16703 \n\n### Workarounds\n\nDisable Organization Census verification method\n\n### Reference\n\nOWASP A01:2021 Broken Access Control\n\n### Credits\n\nThis issue was discovered in a security audit organized by the [Decidim Association](https://decidim.org) and made by [Radically Open Security](https://www.radicallyopensecurity.com/) against Decidim financed by [NGI](https://ngi.eu/).","status":"published","published":"2026-07-13T17:17:33Z","modified":"2026-07-13T17:17:34Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L","level":"medium"}],"cwes":["CWE-285"],"updated_at":"2026-11-02T14:40:42.703776Z"}],"nvd":[{"id":"CVE-2026-45415","description":"Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 before 0.32.0.rc2, the /admin/csv_census/census_logs record-management endpoints do not enforce full administrator authorization before rendering or mutating Decidim::Verifications::CsvDatum, allowing a participant manager to create, alter, or remove census records. This issue is fixed in versions 0.30.9, 0.31.5, and 0.32.0.rc2.","status":"published","published":"2026-08-06T22:17:07.02Z","modified":"2026-09-08T20:51:43.49Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:35.386166Z"}],"osv":[{"id":"CVE-2026-45415","title":"Decidim: CSV census record endpoints improper authorization","description":"Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 before 0.32.0.rc2, the /admin/csv_census/census_logs record-management endpoints do not enforce full administrator authorization before rendering or mutating Decidim::Verifications::CsvDatum, allowing a participant manager to create, alter, or remove census records. This issue is fixed in versions 0.30.9, 0.31.5, and 0.32.0.rc2.","status":"published","published":"2026-08-06T19:33:31.514Z","modified":"2026-10-28T02:30:36.895650273Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:45:05.525666Z"},{"id":"GHSA-q79h-67vx-m9xg","title":"Decidim: CSV census record endpoints improper authorization","description":"## Description\n\nA participant manager can access and modify the CSV census record admin forms.\n\n## Technical description\n\nThe CSV census admin record-management surface under `/admin/csv_census/census_logs` does not enforce admin-only authorization before rendering or mutating `Decidim::Verifications::CsvDatum`.\n\nA participant manager (which can only manage participants) can therefore open the admin forms, create or update census rows, and delete rows directly.\n\nReproduction steps:\n1. Sign in a participant admin and open `http://localhost:3000/admin/csv_census/census_logs/new_record` in the browser. Confirm the create form loads even though the session is not a full admin.\n\n\u003cimg width=\"1541\" height=\"274\" alt=\"decidim-census-01\" src=\"https://github.com/user-attachments/assets/859ee101-746f-4acb-8051-27036689f1b3\" /\u003e\n\n\u003cimg width=\"1538\" height=\"363\" alt=\"decidim-census-02\" src=\"https://github.com/user-attachments/assets/85bbb004-a999-46dc-856c-fd32b50ced2c\" /\u003e\n\nNote that normal participant accounts were not able to access the CSV census records which is good.\n\n### Impact\n \nAny participant admin can create, alter, or remove CSV census rows, which can corrupt verification data relied on by authorization workflows.\n\n### Patches\n\nSee https://github.com/decidim/decidim/pull/16674 and https://github.com/decidim/decidim/pull/16703 \n\n### Workarounds\n\nDisable Organization Census verification method\n\n### Reference\n\nOWASP A01:2021 Broken Access Control\n\n### Credits\n\nThis issue was discovered in a security audit organized by the [Decidim Association](https://decidim.org) and made by [Radically Open Security](https://www.radicallyopensecurity.com/) against Decidim financed by [NGI](https://ngi.eu/).","status":"published","published":"2026-07-13T17:17:33Z","modified":"2026-07-13T17:41:46.799394Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L","level":"medium"}],"cwes":["CWE-285"],"updated_at":"2026-11-02T15:46:54.055966Z"}]}}