Medium
rails — security advisory
A open redirect vulnerability exists in Action Pack >= 6.0.0 that could allow an attacker to craft a "X-Forwarded-Host" headers in combination with certain "allowed host" formats can cause the Host Authorization middleware in Action Pack to redirect users to a malicious website.
- Products
- rails
- Affected versions
- 2:6.0.3.7+dfsg-2, 2:6.1.4.1+dfsg-8ubuntu2, 2:6.1.4.1+dfsg-8ubuntu2+esm1, 2:6.1.7.3+dfsg-2build1, 2:6.1.7.3+dfsg-3, 2:6.1.7.3+dfsg-7, 2:7.2.2.1+dfsg-7, 2:7.2.2.2+dfsg-2, 2:7.2.3+dfsg-2, 2:7.2.3.2+dfsg-2
- Fixed versions
- Not specified
- CVEs
- CVE-2021-44528
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:44 UTC · Revision 1
Source evidence
A open redirect vulnerability exists in Action Pack >= 6.0.0 that could allow an attacker to craft a "X-Forwarded-Host" headers in combination with certain "allowed host" formats can cause the Host Authorization middleware in Action Pack to redirect users to a malicious website.
osv:UBUNTU-CVE-2021-44528
rails
Fixed versions: Not specified
rails
Fixed versions: Not specified
rails
Fixed versions: Not specified
rails
Fixed versions: Not specified
rails
Fixed versions: Not specified
Complete source record
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"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2021-44528",
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],
"modified": "2026-10-17T12:56:01.471435386Z",
"provider": "osv",
"upstream": [
"CVE-2021-44528"
],
"references": [
"https://ubuntu.com/security/CVE-2021-44528",
"https://www.openwall.com/lists/oss-security/2021/12/14/5",
"https://github.com/rails/rails/commit/0fccfb9a3097a9c4260c791f1a40b128517e7815",
"https://github.com/rails/rails/commit/aecba3c301b80e9d5a63c30ea1b287bceaf2c107",
"https://github.com/rails/rails/commit/fd6a64fef1d0f7f40a8d4b046da882e83163299c",
"https://www.cve.org/CVERecord?id=CVE-2021-44528"
]
},
"related_cves": [
{
"value": "CVE-2021-44528",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 354597,
"published_at": "2022-01-10T14:10:00+00:00"
}