CVE-2026-83589
Full vulnerability record from the local CVENow database.
Description
A flaw was found in oauth-proxy. The application fails to properly validate the destination redirect parameter (`rd`) during post-login redirection. A remote attacker can exploit this vulnerability by enticing a user to follow a specially crafted link, resulting in the user being redirected to an arbitrary external website after authenticating. This open redirect can be leveraged to conduct phishing attacks or credential theft.
Severity
MEDIUM
CVSS score
6.1
(v3.1)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-10-01 10:17:17.217000
Last modified
2026-10-30 05:16:59.633000
View original CVE JSON
{
"id": "CVE-2026-83589",
"sourceIdentifier": "[email protected]",
"published": "2026-10-01T10:17:17.217",
"lastModified": "2026-10-30T05:16:59.633",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in oauth-proxy. The application fails to properly validate the destination redirect parameter (`rd`) during post-login redirection. A remote attacker can exploit this vulnerability by enticing a user to follow a specially crafted link, resulting in the user being redirected to an arbitrary external website after authenticating. This open redirect can be leveraged to conduct phishing attacks or credential theft."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Red Hat",
"product": "Red Hat OpenShift Container Platform 4.12",
"defaultStatus": "affected",
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"packageName": "openshift4/ose-oauth-proxy",
"cpes": [
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{
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}
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{
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{
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{
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{
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],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "CHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 2.8,
"impactScore": 2.7
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-10-01T16:11:43.615229Z",
"id": "CVE-2026-83589",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
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}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-601"
}
]
}
],
"references": [
{
"url": "https://access.redhat.com/errata/RHSA-2026:74380",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:74383",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:74429",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:79039",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:79169",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:82785",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:82813",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:89715",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:90274",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/security/cve/CVE-2026-83589",
"source": "[email protected]"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2518379",
"source": "[email protected]"
}
]
}