rails — security advisory
A bypass vulnerability in Active Storage >= 5.2.0 for Google Cloud Storage and Disk services allow an attacker to modify the `content-disposition` and `content-type` parameters which can be used in with HTML files and have them executed inline. Additionally, if combined with other techniques such as cookie bombing and specially crafted AppCache manifests, an attacker can gain access to private signed URLs within a specific storage path. This vulnerability has been fixed in version 5.2.1.1.
- Products
- rails
- Affected versions
- Not specified
- Fixed versions
- 2:5.2.2+dfsg-1
- CVEs
- CVE-2018-16477
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:07 UTC · Revision 1
Source evidence
A bypass vulnerability in Active Storage >= 5.2.0 for Google Cloud Storage and Disk services allow an attacker to modify the `content-disposition` and `content-type` parameters which can be used in with HTML files and have them executed inline. Additionally, if combined with other techniques such as cookie bombing and specially crafted AppCache manifests, an attacker can gain access to private signed URLs within a specific storage path. This vulnerability has been fixed in version 5.2.1.1.
osv:DEBIAN-CVE-2018-16477
rails
Fixed versions: 2:5.2.2+dfsg-1
rails
Fixed versions: 2:5.2.2+dfsg-1
rails
Fixed versions: 2:5.2.2+dfsg-1
Complete source record
{
"id": "f7a54673b5ac77f83ee5eb209d1b626cb15867c496e41280f2d1103bc2498303",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2018-16477",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2018-16477",
"summary": "A bypass vulnerability in Active Storage >= 5.2.0 for Google Cloud Storage and Disk services allow an attacker to modify the `content-disposition` and `content-type` parameters which can be used in with HTML files and have them executed inline. Additionally, if combined with other techniques such as cookie bombing and specially crafted AppCache manifests, an attacker can gain access to private signed URLs within a specific storage path. This vulnerability has been fixed in version 5.2.1.1.",
"evidence": "osv:DEBIAN-CVE-2018-16477",
"products": [
{
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"evidence": "/affected/0/package/name"
},
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"evidence": "/affected/0/ranges"
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{
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"severity": "medium",
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"aliases": [
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"metrics": [
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"type": "CVSS_V3",
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"affected": [
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"package": {
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},
"ecosystem_specific": {
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}
}
],
"modified": "2026-10-23T18:03:00.483377233Z",
"provider": "osv",
"upstream": [
"CVE-2018-16477"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2018-16477"
]
},
"related_cves": [
{
"value": "CVE-2018-16477",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 420083,
"published_at": "2018-11-30T19:29:00.297+00:00"
}