{"id":"CVE-2021-41641","aliases":["EUVD-2022-5954","GHSA-67hm-27mx-9cg7","JLSEC-2026-99"],"status":"published","title":"Link Following in Deno","description":"Deno \u003c=1.14.0 file sandbox does not handle symbolic links correctly. When running Deno with specific write access, the Deno.symlink method can be used to gain access to any directory.","severity":{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00388,"percentile":0.33392,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-59"],"published":"2022-06-12T12:12:08Z","modified":"2026-10-24T10:50:25Z","fixes":[{"ecosystem":"crates.io","package":"deno","fixed_in":["1.16.0"],"sources":["ghsa","osv"]},{"ecosystem":"Julia","package":"Deno_jll","fixed_in":["1.14.3+0"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"crates.io","package":"deno","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.0"}]}]},{"source":"osv","ecosystem":"crates.io","package":"deno","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.16.0"}]}]},{"source":"osv","ecosystem":"Julia","package":"Deno_jll","ranges":[{"type":"SEMVER","events":[{"introduced":"1.10.3+0"},{"fixed":"1.14.3+0"}]}]}],"products":[{"vendor":"deno","product":"deno"}],"references":[{"url":"https://hackers.report/report/614876917a7b150012836bb8","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://github.com/denoland/deno/issues/12152","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41641","tags":["advisory"]},{"url":"https://github.com/denoland/deno/pull/12554","tags":["web"]},{"url":"https://github.com/denoland/deno/commit/d44011a69e0674acfa9c59bd7ad7f0523eb61d42","tags":["web"]},{"url":"https://github.com/advisories/GHSA-67hm-27mx-9cg7"}],"sources":{"cve":[{"id":"CVE-2021-41641","description":"Deno \u003c=1.14.0 file sandbox does not handle symbolic links correctly. When running Deno with specific write access, the Deno.symlink method can be used to gain access to any directory.","status":"published","published":"2022-06-12T12:12:08Z","modified":"2024-08-04T03:15:29.241Z","updated_at":"2026-11-02T14:32:59.430294Z"}],"euvd":[{"id":"EUVD-2022-5954","description":"Deno \u003c=1.14.0 file sandbox does not handle symbolic links correctly. When running Deno with specific write access, the Deno.symlink method can be used to gain access to any directory.","status":"published","published":"2022-06-12T12:12:08Z","modified":"2024-08-04T03:15:29Z","updated_at":"2026-11-03T03:24:17.230256Z"}],"ghsa":[{"id":"GHSA-67hm-27mx-9cg7","title":"Link Following in Deno","description":"Deno \u003c=1.14.0 file sandbox does not handle symbolic links correctly. When running Deno with specific write access, the Deno.symlink method can be used to gain access to any directory.","status":"published","published":"2022-06-13T00:00:19Z","modified":"2023-01-27T05:03:44Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:36:20.144464Z"}],"nvd":[{"id":"CVE-2021-41641","description":"Deno \u003c=1.14.0 file sandbox does not handle symbolic links correctly. When running Deno with specific write access, the Deno.symlink method can be used to gain access to any directory.","status":"published","published":"2022-06-12T13:15:07.747Z","modified":"2026-06-17T04:08:45.243Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":3.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:07:06.501652Z"}],"osv":[{"id":"CVE-2021-41641","description":"Deno \u003c=1.14.0 file sandbox does not handle symbolic links correctly. When running Deno with specific write access, the Deno.symlink method can be used to gain access to any directory.","status":"published","published":"2022-06-12T13:15:07.747Z","modified":"2026-10-24T10:50:25.754529755Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:21.557945Z"},{"id":"GHSA-67hm-27mx-9cg7","title":"Link Following in Deno","description":"Deno \u003c=1.14.0 file sandbox does not handle symbolic links correctly. When running Deno with specific write access, the Deno.symlink method can be used to gain access to any directory.","status":"published","published":"2022-06-13T00:00:19Z","modified":"2023-11-08T04:07:00.645155Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T15:46:39.266402Z"},{"id":"JLSEC-2026-99","description":"Deno \u003c=1.14.0 file sandbox does not handle symbolic links correctly. When running Deno with specific write access, the Deno.symlink method can be used to gain access to any directory.","status":"published","published":"2026-04-14T13:10:46.494Z","modified":"2026-07-18T00:02:24.272083234Z","cvss":[{"version":"2.0","score":3.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:N","level":"low"},{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:47:19.003546Z"}]}}