{"id":"CVE-2023-33966","aliases":["EUVD-2023-1626","GHSA-vc52-gwm3-8v2f"],"status":"published","title":"Deno missing \"--allow-net\" permission check for built-in Node modules","description":"Deno is a runtime for JavaScript and TypeScript. In deno 1.34.0 and deno_runtime 0.114.0, outbound HTTP requests made using the built-in `node:http` or `node:https` modules are incorrectly not checked against the network permission allow list (`--allow-net`). Dependencies relying on these built-in modules are subject to the vulnerability too. Users of Deno versions prior to 1.34.0 are unaffected. Deno Deploy users are unaffected. This problem has been patched in Deno v1.34.1 and deno_runtime 0.114.1 and all users are recommended to update to this version. No workaround is available for this issue.","severity":{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00625,"percentile":0.50324,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-269","CWE-276"],"published":"2023-05-31T17:15:13Z","modified":"2026-10-28T02:30:56Z","fixes":[{"ecosystem":"crates.io","package":"deno","fixed_in":["1.34.1"],"sources":["ghsa","osv"]},{"ecosystem":"crates.io","package":"deno_runtime","fixed_in":["0.115.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"crates.io","package":"deno","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.34.0"},{"last_affected":"1.34.0"},{"fixed":"1.34.1"}]}],"versions":["1.34.0"]},{"source":"ghsa","ecosystem":"crates.io","package":"deno_runtime","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.114.0"},{"last_affected":"0.114.0"},{"fixed":"0.115.0"}]}],"versions":["0.114.0"]},{"source":"osv","ecosystem":"crates.io","package":"deno","ranges":[{"type":"SEMVER","events":[{"introduced":"1.34.0"},{"fixed":"1.34.1"}]}],"versions":["1.34.0"]},{"source":"osv","ecosystem":"crates.io","package":"deno_runtime","ranges":[{"type":"SEMVER","events":[{"introduced":"0.114.0"},{"fixed":"0.115.0"}]}],"versions":["0.114.0"]}],"products":[{"vendor":"deno","product":"deno"},{"vendor":"deno","product":"deno_runtime"},{"vendor":"denoland","product":"deno"}],"references":[{"url":"https://github.com/denoland/deno/security/advisories/GHSA-vc52-gwm3-8v2f","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://github.com/denoland/deno/releases/tag/v1.34.1","tags":["x_refsource_MISC","x_transferred","Release Notes","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-33966","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-vc52-gwm3-8v2f"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/33xxx/CVE-2023-33966.json","tags":["advisory"]},{"url":"https://github.com/denoland/deno","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-33966","title":"Deno missing \"--allow-net\" permission check for built-in Node modules","description":"Deno is a runtime for JavaScript and TypeScript. In deno 1.34.0 and deno_runtime 0.114.0, outbound HTTP requests made using the built-in `node:http` or `node:https` modules are incorrectly not checked against the network permission allow list (`--allow-net`). Dependencies relying on these built-in modules are subject to the vulnerability too. Users of Deno versions prior to 1.34.0 are unaffected. Deno Deploy users are unaffected. This problem has been patched in Deno v1.34.1 and deno_runtime 0.114.1 and all users are recommended to update to this version. No workaround is available for this issue.\n","status":"published","published":"2023-05-31T17:15:13.791Z","modified":"2025-01-09T20:24:06.794Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:35:34.55015Z"}],"euvd":[{"id":"EUVD-2023-1626","description":"Deno is a runtime for JavaScript and TypeScript. In deno 1.34.0 and deno_runtime 0.114.0, outbound HTTP requests made using the built-in `node:http` or `node:https` modules are incorrectly not checked against the network permission allow list (`--allow-net`). Dependencies relying on these built-in modules are subject to the vulnerability too. Users of Deno versions prior to 1.34.0 are unaffected. Deno Deploy users are unaffected. This problem has been patched in Deno v1.34.1 and deno_runtime 0.114.1 and all users are recommended to update to this version. No workaround is available for this issue.\n","status":"published","published":"2023-05-31T17:15:13Z","modified":"2025-01-09T20:24:06Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-03T00:04:22.117545Z"}],"ghsa":[{"id":"GHSA-vc52-gwm3-8v2f","title":"Missing \"--allow-net\" permission check for built-in Node modules","description":"### Impact\n\nOutbound HTTP requests made using the built-in \"node:http\" or \"node:https\" modules are incorrectly not checked against the network permission allow list (`--allow-net`). Dependencies relying on these built-in modules are subject to the vulnerability too.\n\nUsers of Deno versions prior to 1.34.0 are unaffected. Deno Deploy users are unaffected.\n\n### Patches\n\nThis problem has been patched in Deno v1.34.1 and all users are recommended to update to this version.\n\n### Workarounds\n\nNo workaround is available for this issue.\n","status":"published","published":"2023-05-31T23:39:40Z","modified":"2023-11-04T05:03:46Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-269","CWE-276"],"updated_at":"2026-11-02T14:37:12.407027Z"}],"nvd":[{"id":"CVE-2023-33966","description":"Deno is a runtime for JavaScript and TypeScript. In deno 1.34.0 and deno_runtime 0.114.0, outbound HTTP requests made using the built-in `node:http` or `node:https` modules are incorrectly not checked against the network permission allow list (`--allow-net`). Dependencies relying on these built-in modules are subject to the vulnerability too. Users of Deno versions prior to 1.34.0 are unaffected. Deno Deploy users are unaffected. This problem has been patched in Deno v1.34.1 and deno_runtime 0.114.1 and all users are recommended to update to this version. No workaround is available for this issue.\n","status":"published","published":"2023-05-31T18:15:09.527Z","modified":"2026-06-17T06:02:37.1Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N","level":"high","assessor":"secondary"},{"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"}],"cwes":["CWE-269","CWE-276"],"updated_at":"2026-11-02T14:08:03.795015Z"}],"osv":[{"id":"CVE-2023-33966","title":"Deno missing \"--allow-net\" permission check for built-in Node modules","description":"Deno is a runtime for JavaScript and TypeScript. In deno 1.34.0 and deno_runtime 0.114.0, outbound HTTP requests made using the built-in `node:http` or `node:https` modules are incorrectly not checked against the network permission allow list (`--allow-net`). Dependencies relying on these built-in modules are subject to the vulnerability too. Users of Deno versions prior to 1.34.0 are unaffected. Deno Deploy users are unaffected. This problem has been patched in Deno v1.34.1 and deno_runtime 0.114.1 and all users are recommended to update to this version. No workaround is available for this issue.\n","status":"published","published":"2023-05-31T17:15:13.791Z","modified":"2026-10-28T02:30:56.944036393Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T15:44:32.116263Z"},{"id":"GHSA-vc52-gwm3-8v2f","title":"Missing \"--allow-net\" permission check for built-in Node modules","description":"### Impact\n\nOutbound HTTP requests made using the built-in \"node:http\" or \"node:https\" modules are incorrectly not checked against the network permission allow list (`--allow-net`). Dependencies relying on these built-in modules are subject to the vulnerability too.\n\nUsers of Deno versions prior to 1.34.0 are unaffected. Deno Deploy users are unaffected.\n\n### Patches\n\nThis problem has been patched in Deno v1.34.1 and all users are recommended to update to this version.\n\n### Workarounds\n\nNo workaround is available for this issue.\n","status":"published","published":"2023-05-31T23:39:40Z","modified":"2026-09-10T03:50:08.169778794Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-269","CWE-276"],"updated_at":"2026-11-02T15:46:56.981655Z"}]}}