{"id":"CVE-2016-10534","aliases":["EUVD-2019-0326","GHSA-q43m-ffwr-rpcc"],"status":"published","title":"SSL Validation Defaults to False in electron-packager","description":"electron-packager is a command line tool that packages Electron source code into `.app` and `.exe` packages. along with Electron. The `--strict-ssl` command line option in electron-packager \u003e= 5.2.1 \u003c= 6.0.0 || \u003e=6.0.0 \u003c= 6.0.2 defaults to false if not explicitly set to true. This could allow an attacker to perform a man in the middle attack.","severity":{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00937,"percentile":0.61072,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-295"],"published":"2018-05-31T20:00:00Z","modified":"2026-10-20T10:47:25Z","fixes":[{"ecosystem":"npm","package":"electron-packager","fixed_in":["7.0.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"electron-packager","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.2.1"},{"fixed":"7.0.0"}]}]},{"source":"osv","ecosystem":"npm","package":"electron-packager","ranges":[{"type":"SEMVER","events":[{"introduced":"5.2.1"},{"fixed":"7.0.0"}]}]}],"products":[{"vendor":"electron-packager_project","product":"electron-packager"},{"vendor":"hackerone","product":"electron-packager node module"}],"references":[{"url":"https://github.com/electron-userland/electron-packager/issues/333","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Mitigation","Third Party Advisory","report","web"]},{"url":"https://nodesecurity.io/advisories/104","tags":["x_refsource_MISC","x_transferred","Mitigation","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-10534","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-q43m-ffwr-rpcc","tags":["advisory"]},{"url":"https://www.npmjs.com/advisories/104","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2016-10534","description":"electron-packager is a command line tool that packages Electron source code into `.app` and `.exe` packages. along with Electron. The `--strict-ssl` command line option in electron-packager \u003e= 5.2.1 \u003c= 6.0.0 || \u003e=6.0.0 \u003c= 6.0.2 defaults to false if not explicitly set to true. This could allow an attacker to perform a man in the middle attack.","status":"published","published":"2018-05-31T20:00:00Z","modified":"2024-09-17T02:37:40.09Z","cwes":["CWE-295"],"updated_at":"2026-11-02T14:33:31.117878Z"}],"euvd":[{"id":"EUVD-2019-0326","description":"electron-packager is a command line tool that packages Electron source code into `.app` and `.exe` packages. along with Electron. The `--strict-ssl` command line option in electron-packager \u003e= 5.2.1 \u003c= 6.0.0 || \u003e=6.0.0 \u003c= 6.0.2 defaults to false if not explicitly set to true. This could allow an attacker to perform a man in the middle attack.","status":"published","published":"2018-05-31T20:00:00Z","modified":"2024-09-17T02:37:40Z","updated_at":"2026-11-03T00:28:38.75517Z"}],"ghsa":[{"id":"GHSA-q43m-ffwr-rpcc","title":"SSL Validation Defaults to False in electron-packager","description":"Affected versions of `electron-packager` configure the generated application to disable SSL certificate verification by default. \n\nThis could allow an attacker with a privileged network position to launch a Man In The Middle (MITM) attack on the install process, intercepting the step where electron-packager downloads Electron for supported target platforms and architectures, and replacing the valid download with a tampered malicious one.\n\nThis only affects users using the electron-packager CLI. The strict-ssl option defaults to true for the node.js API.\n\n\n## Recommendation\n\n1. Update to version 7.0.0 or later.\n2. Delete the `electron-download` cache folder, which is by default located at `~/.electron`.","status":"published","published":"2019-02-18T23:58:24Z","modified":"2023-01-09T05:03:12Z","cwes":["CWE-295"],"updated_at":"2026-11-02T14:36:04.396827Z"}],"nvd":[{"id":"CVE-2016-10534","description":"electron-packager is a command line tool that packages Electron source code into `.app` and `.exe` packages. along with Electron. The `--strict-ssl` command line option in electron-packager \u003e= 5.2.1 \u003c= 6.0.0 || \u003e=6.0.0 \u003c= 6.0.2 defaults to false if not explicitly set to true. This could allow an attacker to perform a man in the middle attack.","status":"published","published":"2018-05-31T20:29:01.157Z","modified":"2026-06-17T00:39:53.57Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:03:39.176887Z"}],"osv":[{"id":"CVE-2016-10534","description":"electron-packager is a command line tool that packages Electron source code into `.app` and `.exe` packages. along with Electron. The `--strict-ssl` command line option in electron-packager \u003e= 5.2.1 \u003c= 6.0.0 || \u003e=6.0.0 \u003c= 6.0.2 defaults to false if not explicitly set to true. This could allow an attacker to perform a man in the middle attack.","status":"published","published":"2018-05-31T20:29:01.157Z","modified":"2026-10-20T10:47:25.392311617Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:01.531338Z"},{"id":"GHSA-q43m-ffwr-rpcc","title":"SSL Validation Defaults to False in electron-packager","description":"Affected versions of `electron-packager` configure the generated application to disable SSL certificate verification by default. \n\nThis could allow an attacker with a privileged network position to launch a Man In The Middle (MITM) attack on the install process, intercepting the step where electron-packager downloads Electron for supported target platforms and architectures, and replacing the valid download with a tampered malicious one.\n\nThis only affects users using the electron-packager CLI. The strict-ssl option defaults to true for the node.js API.\n\n\n## Recommendation\n\n1. Update to version 7.0.0 or later.\n2. Delete the `electron-download` cache folder, which is by default located at `~/.electron`.","status":"published","published":"2019-02-18T23:58:24Z","modified":"2023-11-08T03:58:11.086959Z","cwes":["CWE-295"],"updated_at":"2026-11-02T15:46:54.055966Z"}]}}