CVE-2026-7502
Full vulnerability record from the local CVENow database.
Description
A security vulnerability has been detected in LinkStackOrg LinkStack up to 4.8.6. The affected element is the function saveLink of the file app/Http/Controllers/UserController.php of the component Management Endpoint. The manipulation leads to authorization bypass. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The pull request to fix this issue awaits acceptance.
Severity
LOW
CVSS score
2.1
(v4.0)
Vulnerability status
Deferred
Source identifier
Published
2026-04-30 22:16:26.710000
Last modified
2026-10-26 21:10:00.170000
View original CVE JSON
{
"id": "CVE-2026-7502",
"sourceIdentifier": "[email protected]",
"published": "2026-04-30T22:16:26.710",
"lastModified": "2026-10-26T21:10:00.170",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A security vulnerability has been detected in LinkStackOrg LinkStack up to 4.8.6. The affected element is the function saveLink of the file app/Http/Controllers/UserController.php of the component Management Endpoint. The manipulation leads to authorization bypass. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The pull request to fix this issue awaits acceptance."
},
{
"lang": "es",
"value": "Se ha detectado una vulnerabilidad de seguridad en LinkStackOrg LinkStack hasta la versión 4.8.6. El elemento afectado es la función saveLink del archivo app/HTTP/Controllers/UserController.PHP del componente Management Endpoint. La manipulación conduce a una omisión de autorización. El ataque puede ser iniciado remotamente. El exploit ha sido divulgado públicamente y puede ser utilizado. La pull request para solucionar este problema espera aceptación."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "LinkStackOrg",
"product": "LinkStack",
"modules": [
"Management Endpoint"
],
"versions": [
{
"version": "4.8.0",
"status": "affected"
},
{
"version": "4.8.1",
"status": "affected"
},
{
"version": "4.8.2",
"status": "affected"
},
{
"version": "4.8.3",
"status": "affected"
},
{
"version": "4.8.4",
"status": "affected"
},
{
"version": "4.8.5",
"status": "affected"
},
{
"version": "4.8.6",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"baseScore": 2.1,
"baseSeverity": "LOW",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "LOW",
"vulnAvailabilityImpact": "LOW",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "PROOF_OF_CONCEPT",
"confidentialityRequirement": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"availabilityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED"
}
}
],
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"availabilityImpact": "LOW"
},
"exploitabilityScore": 2.8,
"impactScore": 2.5
}
],
"cvssMetricV2": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:P",
"baseScore": 5.5,
"accessVector": "NETWORK",
"accessComplexity": "LOW",
"authentication": "SINGLE",
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"availabilityImpact": "PARTIAL"
},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 8.0,
"impactScore": 4.9,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-05-01T14:23:42.362237Z",
"id": "CVE-2026-7502",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-285"
},
{
"lang": "en",
"value": "CWE-639"
}
]
}
],
"references": [
{
"url": "https://github.com/LinkStackOrg/LinkStack/",
"source": "[email protected]"
},
{
"url": "https://github.com/LinkStackOrg/LinkStack/pull/975",
"source": "[email protected]"
},
{
"url": "https://github.com/LinkStackOrg/LinkStack/pull/975#issuecomment-4224234970",
"source": "[email protected]"
},
{
"url": "https://github.com/az10b/security-advisories/blob/main/idor_linkstack.md",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/submit/801787",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/360312",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/360312/cti",
"source": "[email protected]"
}
]
}