Medium
Security advisory
An issue was discovered in rack-protection/lib/rack/protection/path_traversal.rb in Sinatra 2.x before 2.0.1 on Windows. Path traversal is possible via backslash characters.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-7212
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:52 UTC · Revision 1
Source evidence
An issue was discovered in rack-protection/lib/rack/protection/path_traversal.rb in Sinatra 2.x before 2.0.1 on Windows. Path traversal is possible via backslash characters.
osv:CVE-2018-7212
Complete source record
{
"id": "2d13675a972dc486f9e1a2ae6dc4aec8bf584688f34752d497fc4bc97edffb0d",
"url": "https://osv.dev/vulnerability/CVE-2018-7212",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-7212",
"summary": "An issue was discovered in rack-protection/lib/rack/protection/path_traversal.rb in Sinatra 2.x before 2.0.1 on Windows. Path traversal is possible via backslash characters.",
"evidence": "osv:CVE-2018-7212",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2018-7212",
"aliases": [
"CVE-2018-7212",
"GHSA-h29f-7f56-j8wh"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/sinatra/sinatra",
"type": "GIT",
"events": [
{
"introduced": "5de64980e0f0fe146d8b60ca3b009f183113e68b"
},
{
"last_affected": "c5fceaab24a7a97bb70c2a87c44a97ba51feeb8b"
},
{
"fixed": "6ad721abcfe36334108dcdd05d046c361e1b7a9c"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:sinatrarb:sinatra:2.0.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.0"
},
{
"last_affected": "2.0.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:sinatrarb:sinatra:2.0.0:beta2:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.0-beta2"
},
{
"last_affected": "2.0.0-beta2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:sinatrarb:sinatra:2.0.0:rc1:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.0-rc1"
},
{
"last_affected": "2.0.0-rc1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:sinatrarb:sinatra:2.0.0:rc2:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.0-rc2"
},
{
"last_affected": "2.0.0-rc2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:sinatrarb:sinatra:2.0.0:rc3:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.0-rc3"
},
{
"last_affected": "2.0.0-rc3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:sinatrarb:sinatra:2.0.0:rc4:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.0-rc4"
},
{
"last_affected": "2.0.0-rc4"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:sinatrarb:sinatra:2.0.0:rc5:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.0-rc5"
},
{
"last_affected": "2.0.0-rc5"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:sinatrarb:sinatra:2.0.0:rc6:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.0-rc6"
},
{
"last_affected": "2.0.0-rc6"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:sinatrarb:sinatra:2.0.1:rc1:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.1-rc1"
},
{
"last_affected": "2.0.1-rc1"
}
],
"source": "CPE_STRING"
},
{
"range": [
{
"fixed": "6ad721abcfe36334108dcdd05d046c361e1b7a9c"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"2.0.0",
"2.0.0-beta2",
"2.0.0-rc1",
"2.0.0-rc2",
"2.0.0-rc3",
"2.0.0-rc4",
"2.0.0-rc5",
"2.0.0-rc6",
"2.0.1-rc1",
"v2.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-7212.json"
}
}
],
"modified": "2026-10-24T10:50:33.154665824Z",
"provider": "osv",
"references": [
"https://github.com/sinatra/sinatra/commit/6ad721abcfe36334108dcdd05d046c361e1b7a9c",
"https://github.com/sinatra/sinatra/pull/1379"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:sinatrarb:sinatra:2.0.0:*:*:*:*:*:*:*",
"cpe:2.3:a:sinatrarb:sinatra:2.0.0:beta2:*:*:*:*:*:*",
"cpe:2.3:a:sinatrarb:sinatra:2.0.0:rc1:*:*:*:*:*:*",
"cpe:2.3:a:sinatrarb:sinatra:2.0.0:rc2:*:*:*:*:*:*",
"cpe:2.3:a:sinatrarb:sinatra:2.0.0:rc3:*:*:*:*:*:*",
"cpe:2.3:a:sinatrarb:sinatra:2.0.0:rc4:*:*:*:*:*:*",
"cpe:2.3:a:sinatrarb:sinatra:2.0.0:rc5:*:*:*:*:*:*",
"cpe:2.3:a:sinatrarb:sinatra:2.0.0:rc6:*:*:*:*:*:*",
"cpe:2.3:a:sinatrarb:sinatra:2.0.1:rc1:*:*:*:*:*:*"
],
"vendor_product": "sinatrarb:sinatra",
"extracted_events": [
{
"range": [
{
"introduced": "2.0.0"
},
{
"last_affected": "2.0.0"
},
{
"introduced": "2.0.0-beta2"
},
{
"last_affected": "2.0.0-beta2"
},
{
"introduced": "2.0.0-rc1"
},
{
"last_affected": "2.0.0-rc1"
},
{
"introduced": "2.0.0-rc2"
},
{
"last_affected": "2.0.0-rc2"
},
{
"introduced": "2.0.0-rc3"
},
{
"last_affected": "2.0.0-rc3"
},
{
"introduced": "2.0.0-rc4"
},
{
"last_affected": "2.0.0-rc4"
},
{
"introduced": "2.0.0-rc5"
},
{
"last_affected": "2.0.0-rc5"
},
{
"introduced": "2.0.0-rc6"
},
{
"last_affected": "2.0.0-rc6"
},
{
"introduced": "2.0.1-rc1"
},
{
"last_affected": "2.0.1-rc1"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2018-7212",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 442287,
"published_at": "2018-02-18T06:29:00.217+00:00"
}