{"id":"CVE-2023-47634","aliases":["EUVD-2024-0706","GHSA-r275-j57c-7mf2"],"status":"published","title":"Decidim has race condition in Endorsements","description":"Decidim is a participatory democracy framework. Starting in version 0.10.0 and prior to versions 0.26.9, 0.27.5, and 0.28.0, a race condition in the endorsement of resources (for instance, a proposal) allows a user to make more than once endorsement. To exploit this vulnerability, the request to set an endorsement must be sent several times in parallel. Versions 0.26.9, 0.27.5, and 0.28.0 contain a patch for this issue. As a workaround, disable the Endorsement feature in the components.","severity":{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00444,"percentile":0.3909,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-362"],"published":"2024-02-20T16:37:51Z","modified":"2026-10-28T02:31:11Z","fixes":[{"ecosystem":"RubyGems","package":"decidim","fixed_in":["0.26.9","0.27.5"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"RubyGems","package":"decidim","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.10.0"},{"fixed":"0.26.9"}]}]},{"source":"ghsa","ecosystem":"RubyGems","package":"decidim","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.27.0"},{"fixed":"0.27.5"}]}]},{"source":"osv","ecosystem":"RubyGems","package":"decidim","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.10.0"},{"fixed":"0.26.9"}]}],"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.rc2","0.26.1","0.26.2","0.26.3","0.26.4","0.26.5","0.26.7","0.26.8"]},{"source":"osv","ecosystem":"RubyGems","package":"decidim","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.27.0"},{"fixed":"0.27.5"}]}],"versions":["0.27.0","0.27.1","0.27.2","0.27.3","0.27.4"]}],"products":[{"vendor":"decidim","product":"decidim"}],"references":[{"url":"https://github.com/decidim/decidim/security/advisories/GHSA-r275-j57c-7mf2","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://github.com/decidim/decidim/releases/tag/v0.26.9","tags":["x_refsource_MISC","x_transferred","Release Notes","web"]},{"url":"https://github.com/decidim/decidim/releases/tag/v0.27.5","tags":["x_refsource_MISC","x_transferred","Release Notes","web"]},{"url":"https://github.com/decidim/decidim/releases/tag/v0.28.0","tags":["x_refsource_MISC","x_transferred","Release Notes","web"]},{"url":"https://github.com/decidim/decidim/commit/5c5ee7a50d75c10643dd8c495e2517641e4d74db","tags":["web"]},{"url":"https://github.com/decidim/decidim/commit/7b840d2c37a562709f4481db644d8c43add28536","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-47634","tags":["advisory"]},{"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/decidim/CVE-2023-47634.yml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-r275-j57c-7mf2"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/47xxx/CVE-2023-47634.json","tags":["advisory"]},{"url":"https://github.com/decidim/decidim","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-47634","title":"Decidim has race condition in Endorsements","description":"Decidim is a participatory democracy framework. Starting in version 0.10.0 and prior to versions 0.26.9, 0.27.5, and 0.28.0, a race condition in the endorsement of resources (for instance, a proposal) allows a user to make more than once endorsement. To exploit this vulnerability, the request to set an endorsement must be sent several times in parallel. Versions 0.26.9, 0.27.5, and 0.28.0 contain a patch for this issue. As a workaround, disable the Endorsement feature in the components. ","status":"published","published":"2024-02-20T16:37:51.966Z","modified":"2024-08-02T21:16:42.668Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T14:35:14.298866Z"}],"euvd":[{"id":"EUVD-2024-0706","description":"Decidim is a participatory democracy framework. Starting in version 0.10.0 and prior to versions 0.26.9, 0.27.5, and 0.28.0, a race condition in the endorsement of resources (for instance, a proposal) allows a user to make more than once endorsement. To exploit this vulnerability, the request to set an endorsement must be sent several times in parallel. Versions 0.26.9, 0.27.5, and 0.28.0 contain a patch for this issue. As a workaround, disable the Endorsement feature in the components. ","status":"published","published":"2024-02-20T16:37:51Z","modified":"2024-08-02T21:16:42Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-03T03:49:57.829961Z"}],"ghsa":[{"id":"GHSA-r275-j57c-7mf2","title":"Race condition in Endorsements","description":"### Impact\n\nA race condition in the endorsement of resources (for instance, a proposal) allows a user to make more than once endorsement.\n\nTo exploit this vulnerability, the request to set an endorsement must be sent several times in parallel.\n \n### Workarounds\n\nDisable the Endorsement feature in the components.","status":"published","published":"2024-02-20T18:02:52Z","modified":"2026-03-15T05:06:43Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T14:39:36.642723Z"}],"nvd":[{"id":"CVE-2023-47634","description":"Decidim is a participatory democracy framework. Starting in version 0.10.0 and prior to versions 0.26.9, 0.27.5, and 0.28.0, a race condition in the endorsement of resources (for instance, a proposal) allows a user to make more than once endorsement. To exploit this vulnerability, the request to set an endorsement must be sent several times in parallel. Versions 0.26.9, 0.27.5, and 0.28.0 contain a patch for this issue. As a workaround, disable the Endorsement feature in the components. ","status":"published","published":"2024-02-29T01:41:28.37Z","modified":"2026-06-17T06:33:01.197Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T14:09:07.077422Z"}],"osv":[{"id":"CVE-2023-47634","title":"Decidim has race condition in Endorsements","description":"Decidim is a participatory democracy framework. Starting in version 0.10.0 and prior to versions 0.26.9, 0.27.5, and 0.28.0, a race condition in the endorsement of resources (for instance, a proposal) allows a user to make more than once endorsement. To exploit this vulnerability, the request to set an endorsement must be sent several times in parallel. Versions 0.26.9, 0.27.5, and 0.28.0 contain a patch for this issue. As a workaround, disable the Endorsement feature in the components. ","status":"published","published":"2024-02-20T16:37:51.966Z","modified":"2026-10-28T02:31:11.019324313Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T15:44:34.72355Z"},{"id":"GHSA-r275-j57c-7mf2","title":"Race condition in Endorsements","description":"### Impact\n\nA race condition in the endorsement of resources (for instance, a proposal) allows a user to make more than once endorsement.\n\nTo exploit this vulnerability, the request to set an endorsement must be sent several times in parallel.\n \n### Workarounds\n\nDisable the Endorsement feature in the components.","status":"published","published":"2024-02-20T18:02:52Z","modified":"2026-09-10T03:50:09.902426654Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T15:46:55.122811Z"}]}}