{"id":"CVE-2020-26033","aliases":["EUVD-2020-18663","GHSA-qj37-hv9r-mmr8"],"status":"published","title":"An issue was discovered in Zammad before 3.4.1. The Tag and Link REST API endpoints (for add and...","description":"An issue was discovered in Zammad before 3.4.1. The Tag and Link REST API endpoints (for add and delete) lack a CSRF token check.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.0036,"percentile":0.30155,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-352"],"published":"2020-12-28T07:56:43Z","modified":"2026-10-24T10:30:28Z","products":[{"vendor":"zammad","product":"zammad"}],"references":[{"url":"https://zammad.com/news/security-advisory-zaa-2020-17","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-26033"},{"url":"https://github.com/advisories/GHSA-qj37-hv9r-mmr8"}],"sources":{"cve":[{"id":"CVE-2020-26033","description":"An issue was discovered in Zammad before 3.4.1. The Tag and Link REST API endpoints (for add and delete) lack a CSRF token check.","status":"published","published":"2020-12-28T07:56:43Z","modified":"2024-08-04T15:49:06.854Z","updated_at":"2026-11-02T14:35:46.129376Z"}],"euvd":[{"id":"EUVD-2020-18663","description":"An issue was discovered in Zammad before 3.4.1. The Tag and Link REST API endpoints (for add and delete) lack a CSRF token check.","status":"published","published":"2020-12-28T07:56:43Z","modified":"2024-08-04T15:49:06Z","updated_at":"2026-11-03T03:07:16.308974Z"}],"ghsa":[{"id":"GHSA-qj37-hv9r-mmr8","title":"An issue was discovered in Zammad before 3.4.1. The Tag and Link REST API endpoints (for add and...","description":"An issue was discovered in Zammad before 3.4.1. The Tag and Link REST API endpoints (for add and delete) lack a CSRF token check.","status":"published","published":"2022-05-24T17:37:24Z","modified":"2023-01-29T05:05:11Z","cwes":["CWE-352"],"updated_at":"2026-11-02T14:45:43.934947Z"}],"nvd":[{"id":"CVE-2020-26033","description":"An issue was discovered in Zammad before 3.4.1. The Tag and Link REST API endpoints (for add and delete) lack a CSRF token check.","status":"published","published":"2020-12-28T08:15:11.383Z","modified":"2026-06-17T03:07:29.97Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:06:28.340168Z"}],"osv":[{"id":"CVE-2020-26033","description":"An issue was discovered in Zammad before 3.4.1. The Tag and Link REST API endpoints (for add and delete) lack a CSRF token check.","status":"published","published":"2020-12-28T08:15:11.383Z","modified":"2026-10-24T10:30:28.141163077Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:15.879068Z"}]}}