{"id":"CVE-2026-72590","aliases":["EUVD-2026-55216","GHSA-25qx-69jj-jfcj"],"status":"published","title":"alseambusher crontab-ui - Unauthenticated RCE via Newline Injection in env_vars Parameter","description":"An OS command injection vulnerability in alseambusher/crontab-ui through 0.4.2 allows an unauthenticated remote attacker to inject arbitrary cron job entries by sending a crafted GET request to /crontab with URL-encoded newlines in the env_vars parameter.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.02043,"percentile":0.81422,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-93"],"published":"2026-08-10T10:41:45Z","modified":"2026-10-28T02:30:27Z","products":[{"vendor":"alseambusher","product":"crontab-ui"}],"references":[{"url":"https://github.com/alseambusher/crontab-ui","tags":["third-party-advisory","advisory"]},{"url":"https://github.com/alseambusher/crontab-ui/blob/master/app.js","tags":["technical-description","article"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72590","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-25qx-69jj-jfcj"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72590.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-72590","title":"alseambusher crontab-ui - Unauthenticated RCE via Newline Injection in env_vars Parameter","description":"An OS command injection vulnerability in alseambusher/crontab-ui through 0.4.2 allows an unauthenticated remote attacker to inject arbitrary cron job entries by sending a crafted GET request to /crontab with URL-encoded newlines in the env_vars parameter.","status":"published","published":"2026-08-10T10:41:45.063Z","modified":"2026-08-10T13:23:34.292Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-93"],"updated_at":"2026-11-02T14:19:52.016971Z"}],"euvd":[{"id":"EUVD-2026-55216","description":"An OS command injection vulnerability in alseambusher/crontab-ui through 0.4.2 allows an unauthenticated remote attacker to inject arbitrary cron job entries by sending a crafted GET request to /crontab with URL-encoded newlines in the env_vars parameter.","status":"published","published":"2026-08-10T10:41:45Z","modified":"2026-08-10T13:23:34Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:02:05.388264Z"}],"ghsa":[{"id":"GHSA-25qx-69jj-jfcj","title":"An OS command injection vulnerability in alseambusher/crontab-ui through 0.4.2 allows an...","description":"An OS command injection vulnerability in alseambusher/crontab-ui through 0.4.2 allows an unauthenticated remote attacker to inject arbitrary cron job entries by sending a crafted GET request to /crontab with URL-encoded newlines in the env_vars parameter.","status":"published","published":"2026-08-10T12:31:53Z","modified":"2026-08-10T12:31:54Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-93"],"updated_at":"2026-11-02T15:10:13.54571Z"}],"nvd":[{"id":"CVE-2026-72590","description":"An OS command injection vulnerability in alseambusher/crontab-ui through 0.4.2 allows an unauthenticated remote attacker to inject arbitrary cron job entries by sending a crafted GET request to /crontab with URL-encoded newlines in the env_vars parameter.","status":"published","published":"2026-08-10T11:17:32.123Z","modified":"2026-10-24T15:10:00.19Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-93"],"updated_at":"2026-11-02T14:12:35.743275Z"}],"osv":[{"id":"CVE-2026-72590","title":"alseambusher crontab-ui - Unauthenticated RCE via Newline Injection in env_vars Parameter","description":"An OS command injection vulnerability in alseambusher/crontab-ui through 0.4.2 allows an unauthenticated remote attacker to inject arbitrary cron job entries by sending a crafted GET request to /crontab with URL-encoded newlines in the env_vars parameter.","status":"published","published":"2026-08-10T10:41:45.063Z","modified":"2026-10-28T02:30:27.99193764Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-93"],"updated_at":"2026-11-02T15:45:15.88521Z"}]}}