CVE-2026-51954
Full vulnerability record from the local CVENow database.
Description
An issue in Webasyst Framework 4.0.3 and before allows a remote attacker to execute arbitrary code via a crafted OAuth authorization URL with an arbitrary redirect_uri.
Severity
HIGH
CVSS score
8.1
(v3.1)
Vulnerability status
Deferred
Source identifier
Published
2026-10-22 16:17:36.180000
Last modified
2026-11-02 19:18:06.083000
View original CVE JSON
{
"id": "CVE-2026-51954",
"sourceIdentifier": "[email protected]",
"published": "2026-10-22T16:17:36.180",
"lastModified": "2026-11-02T19:18:06.083",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An issue in Webasyst Framework 4.0.3 and before allows a remote attacker to execute arbitrary code via a crafted OAuth authorization URL with an arbitrary redirect_uri."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"version": "n/a",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 2.8,
"impactScore": 5.2
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-11-02T18:59:59.578743Z",
"id": "CVE-2026-51954",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-601"
}
]
}
],
"references": [
{
"url": "https://github.com/Envincion/CVE-2026-51954",
"source": "[email protected]"
},
{
"url": "https://github.com/webasyst/webasyst-framework/issues/389",
"source": "[email protected]"
},
{
"url": "https://support.webasyst.com/forum/48658/unvalidated-redirect_uri-in-oauth-authorization-flow-allows-authorization-code-interception-and-permanent-api-access/",
"source": "[email protected]"
},
{
"url": "https://support.webasyst.com/forum/48658/unvalidated-redirect_uri-in-oauth-authorization-flow-allows-authorization-code-interception-and-permanent-api-access/",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
]
}