Medium
Security advisory
An issue was discovered in Plataformatec Devise before 4.7.1. It confirms accounts upon receiving a request with a blank confirmation_token, if a database record has a blank value in the confirmation_token column. (However, there is no scenario within Devise itself in which such database records would exist.)
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-16109
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 10:37 UTC · Revision 1
Source evidence
An issue was discovered in Plataformatec Devise before 4.7.1. It confirms accounts upon receiving a request with a blank confirmation_token, if a database record has a blank value in the confirmation_token column. (However, there is no scenario within Devise itself in which such database records would exist.)
osv:CVE-2019-16109
Complete source record
{
"id": "b0fdd1b64c5fe39235ed6a0ae9d9f1c8487a3b62a2d57d4ba765b11210fa25bf",
"url": "https://osv.dev/vulnerability/CVE-2019-16109",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-16109",
"summary": "An issue was discovered in Plataformatec Devise before 4.7.1. It confirms accounts upon receiving a request with a blank confirmation_token, if a database record has a blank value in the confirmation_token column. (However, there is no scenario within Devise itself in which such database records would exist.)",
"evidence": "osv:CVE-2019-16109",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2019-16109",
"aliases": [
"CVE-2019-16109",
"GHSA-fcjw-8rhj-gwwc"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/heartcombo/devise",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "098345aace53d4ddf88e04f1eb2680e2676e8c28"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:plataformatec:devise:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "4.7.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v4.7.0",
"v4.6.2",
"v4.6.1",
"v4.6.0",
"v4.5.0",
"v4.4.3",
"v4.4.2",
"v4.4.1",
"v4.4.0",
"v4.3.0",
"v4.2.1",
"v4.2.0",
"v4.1.0",
"v4.0.1",
"v4.0.0",
"v4.0.0.rc2",
"v4.0.0.rc1",
"v3.5.3",
"v3.5.2",
"v3.5.1",
"v3.5.0",
"v3.4.1",
"v3.4.0",
"v3.3.0",
"v3.2.4",
"v3.2.3",
"v3.2.2",
"v3.2.1",
"v3.2.0",
"v3.1.0",
"v3.1.0.rc2",
"v3.1.0.rc",
"v3.0.1",
"v2.2.4",
"v3.0.0",
"v3.0.0.rc",
"v2.2.3",
"v2.1.2",
"v2.2.2",
"v2.2.1",
"v2.2.0",
"v2.2.0.rc",
"v2.1.1",
"v2.1.0",
"v2.1.0.rc2",
"v2.1.0.rc",
"v2.0.3",
"v2.0.2",
"v2.0.1",
"v2.0.0",
"v2.0.0.rc2",
"v2.0.0.rc",
"v1.5.1",
"v1.5.0",
"v1.5.0.rc1",
"v1.5.0.rc",
"v1.4.7",
"v1.4.6",
"v1.4.4",
"v1.4.3",
"v1.4.2",
"v1.4.1",
"v1.4.0",
"v1.3.1",
"v1.3.0",
"v1.2.0",
"v1.2.rc2",
"v1.2.rc",
"v1.1.0",
"v1.1.rc2",
"v1.1.rc1",
"v1.1.rc0",
"v1.1.pre4",
"v1.1.pre3",
"v1.1.pre2",
"v1.1.pre",
"v1.0.1",
"v1.0.0",
"v0.9.1",
"v0.9.0",
"v0.8.2",
"v0.8.1",
"v0.8.0",
"v0.7.5"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-16109.json"
}
}
],
"modified": "2026-10-20T10:50:47.083528991Z",
"provider": "osv",
"references": [
"https://github.com/plataformatec/devise/compare/v4.7.0...v4.7.1",
"https://github.com/plataformatec/devise/issues/5071",
"https://github.com/plataformatec/devise/pull/5132"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2019-16109",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 382148,
"published_at": "2019-09-08T20:15:10.487+00:00"
}