{"id":"CVE-2019-9149","aliases":["EUVD-2019-18530","GHSA-hjgw-9xvw-334r"],"status":"published","title":"Mailvelope prior to 3.3.0 allows private key operations without user interaction via its client...","description":"Mailvelope prior to 3.3.0 allows private key operations without user interaction via its client-API. By modifying an URL parameter in Mailvelope, an attacker is able to sign (and encrypt) arbitrary messages with Mailvelope, assuming the private key password is cached. A second vulnerability allows an attacker to decrypt an arbitrary message when the GnuPG backend is used in Mailvelope.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0089,"percentile":0.59634,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-347","CWE-863"],"published":"2019-07-09T20:45:39Z","modified":"2026-10-20T10:51:44Z","products":[{"vendor":"mailvelope","product":"mailvelope"}],"references":[{"url":"https://github.com/mailvelope/mailvelope/blob/master/Changelog.md#v330","tags":["x_refsource_CONFIRM","x_transferred","Release Notes","Third Party Advisory","advisory"]},{"url":"https://www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/Studies/Mailvelope_Extensions/Mailvelope_Extensions_pdf.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/Studies/Mailvelope_Extensions/Mailvelope_Extensions_pdf.pdf?__blob=publicationFile\u0026v=3","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-9149"},{"url":"https://github.com/advisories/GHSA-hjgw-9xvw-334r"}],"sources":{"cve":[{"id":"CVE-2019-9149","description":"Mailvelope prior to 3.3.0 allows private key operations without user interaction via its client-API. By modifying an URL parameter in Mailvelope, an attacker is able to sign (and encrypt) arbitrary messages with Mailvelope, assuming the private key password is cached. A second vulnerability allows an attacker to decrypt an arbitrary message when the GnuPG backend is used in Mailvelope.","status":"published","published":"2019-07-09T20:45:39Z","modified":"2024-08-04T21:38:46.606Z","updated_at":"2026-11-02T14:20:20.397093Z"}],"euvd":[{"id":"EUVD-2019-18530","description":"Mailvelope prior to 3.3.0 allows private key operations without user interaction via its client-API. By modifying an URL parameter in Mailvelope, an attacker is able to sign (and encrypt) arbitrary messages with Mailvelope, assuming the private key password is cached. A second vulnerability allows an attacker to decrypt an arbitrary message when the GnuPG backend is used in Mailvelope.","status":"published","published":"2019-07-09T20:45:39Z","modified":"2024-08-04T21:38:46Z","updated_at":"2026-11-03T03:06:39.848951Z"}],"ghsa":[{"id":"GHSA-hjgw-9xvw-334r","title":"Mailvelope prior to 3.3.0 allows private key operations without user interaction via its client...","description":"Mailvelope prior to 3.3.0 allows private key operations without user interaction via its client-API. By modifying an URL parameter in Mailvelope, an attacker is able to sign (and encrypt) arbitrary messages with Mailvelope, assuming the private key password is cached. A second vulnerability allows an attacker to decrypt an arbitrary message when the GnuPG backend is used in Mailvelope.","status":"published","published":"2022-05-24T16:49:50Z","modified":"2024-04-04T01:13:34Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:55:56.17809Z"}],"nvd":[{"id":"CVE-2019-9149","description":"Mailvelope prior to 3.3.0 allows private key operations without user interaction via its client-API. By modifying an URL parameter in Mailvelope, an attacker is able to sign (and encrypt) arbitrary messages with Mailvelope, assuming the private key password is cached. A second vulnerability allows an attacker to decrypt an arbitrary message when the GnuPG backend is used in Mailvelope.","status":"published","published":"2019-07-09T21:15:11.333Z","modified":"2026-06-17T02:43:09.247Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-347","CWE-863"],"updated_at":"2026-11-02T14:05:19.195714Z"}],"osv":[{"id":"CVE-2019-9149","description":"Mailvelope prior to 3.3.0 allows private key operations without user interaction via its client-API. By modifying an URL parameter in Mailvelope, an attacker is able to sign (and encrypt) arbitrary messages with Mailvelope, assuming the private key password is cached. A second vulnerability allows an attacker to decrypt an arbitrary message when the GnuPG backend is used in Mailvelope.","status":"published","published":"2019-07-09T21:15:11.333Z","modified":"2026-10-20T10:51:44.556215067Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:12.974481Z"}]}}