{"id":"CVE-2021-42139","aliases":["EUVD-2021-29122","GHSA-5p33-p2v6-hj8p"],"status":"published","title":"Deno before 0.107.0 allows Code Injection via an untrusted YAML file in certain configurations.","description":"Deno Standard Modules before 0.107.0 allows Code Injection via an untrusted YAML file in certain configurations.","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":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.0207,"percentile":0.817,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2021-10-11T04:14:16Z","modified":"2026-10-20T10:55:00Z","products":[{"vendor":"deno","product":"deno_standard_modules"}],"references":[{"url":"https://github.com/denoland/deno_std/releases/tag/0.107.0","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory"]},{"url":"https://github.com/denoland/deno_std/pull/1275","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://vuln.ryotak.me/advisories/58","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42139"},{"url":"https://github.com/advisories/GHSA-5p33-p2v6-hj8p"}],"sources":{"cve":[{"id":"CVE-2021-42139","description":"Deno Standard Modules before 0.107.0 allows Code Injection via an untrusted YAML file in certain configurations.","status":"published","published":"2021-10-11T04:14:16Z","modified":"2024-08-04T03:30:37.4Z","updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2021-29122","description":"Deno Standard Modules before 0.107.0 allows Code Injection via an untrusted YAML file in certain configurations.","status":"published","published":"2021-10-11T04:14:16Z","modified":"2024-08-04T03:30:37Z","updated_at":"2026-11-03T03:24:16.217613Z"}],"ghsa":[{"id":"GHSA-5p33-p2v6-hj8p","title":"Deno before 0.107.0 allows Code Injection via an untrusted YAML file in certain configurations.","description":"Deno before 0.107.0 allows Code Injection via an untrusted YAML file in certain configurations.","status":"published","published":"2022-05-24T19:17:14Z","modified":"2023-01-30T05:02:37Z","cwes":["CWE-94"],"updated_at":"2026-11-02T14:46:40.912111Z"}],"nvd":[{"id":"CVE-2021-42139","description":"Deno Standard Modules before 0.107.0 allows Code Injection via an untrusted YAML file in certain configurations.","status":"published","published":"2021-10-11T05:15:06.827Z","modified":"2026-06-17T04:09:24.91Z","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":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:06:59.689345Z"}],"osv":[{"id":"CVE-2021-42139","description":"Deno Standard Modules before 0.107.0 allows Code Injection via an untrusted YAML file in certain configurations.","status":"published","published":"2021-10-11T05:15:06.827Z","modified":"2026-10-20T10:55:00.839534982Z","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":"2026-11-02T15:44:21.557945Z"}]}}