High
Security advisory
lib/oauth/consumer.rb in the oauth-ruby gem through 0.5.4 for Ruby does not verify server X.509 certificates if a certificate bundle cannot be found, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2016-11086
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 09:39 UTC · Revision 1
Source evidence
lib/oauth/consumer.rb in the oauth-ruby gem through 0.5.4 for Ruby does not verify server X.509 certificates if a certificate bundle cannot be found, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information.
osv:CVE-2016-11086
Complete source record
{
"id": "1ccdfd6616c1ddec161a3a09e45b751a65454fa389d00783288ed911dab3634f",
"url": "https://osv.dev/vulnerability/CVE-2016-11086",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2016-11086",
"summary": "lib/oauth/consumer.rb in the oauth-ruby gem through 0.5.4 for Ruby does not verify server X.509 certificates if a certificate bundle cannot be found, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information.",
"evidence": "osv:CVE-2016-11086",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2016-11086",
"aliases": [
"CVE-2016-11086",
"GHSA-7359-3c6r-hfc2"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/ruby-oauth/oauth",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "20a7abc09681cc96819191b6a156690fa754fcac"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:oauth-ruby_project:oauth-ruby:*:*:*:*:*:ruby:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "0.5.4"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v0.5.4",
"v0.5.3",
"v0.5.2",
"v0.5.1",
"v0.5.0",
"v0.4.7",
"v0.4.6",
"v0.4.5",
"v0.4.4",
"v0.4.3",
"v0.4.2",
"v0.4.1",
"v0.3.5",
"v0.3.4",
"v0.3.3",
"v0.3.2",
"v0.3.1",
"v0.3.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-11086.json"
}
}
],
"modified": "2026-10-20T10:47:26.005077438Z",
"provider": "osv",
"references": [
"https://github.com/oauth-xx/oauth-ruby/issues/137"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2016-11086",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 379395,
"published_at": "2020-09-24T20:15:12.257+00:00"
}