CVE-2026-72548
Full vulnerability record from the local CVENow database.
Description
An information disclosure vulnerability in OpenSignLabs OpenSign through 2.37.0 allows unauthenticated remote attackers to retrieve any organisation tenant record via the gettenant Parse cloud function. The function accepts a contactId parameter and returns the full tenant record without authentication or authorization checks. An attacker can enumerate and disclose tenant configuration data for any organisation in the system.
Severity
HIGH
CVSS score
7.5
(v3.1)
Vulnerability status
Deferred
Source identifier
309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
Published
2026-08-11 12:17:40.357000
Last modified
2026-10-24 15:10:00.190000
View original CVE JSON
{
"id": "CVE-2026-72548",
"sourceIdentifier": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
"published": "2026-08-11T12:17:40.357",
"lastModified": "2026-10-24T15:10:00.190",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An information disclosure vulnerability in OpenSignLabs OpenSign through 2.37.0 allows unauthenticated remote attackers to retrieve any organisation tenant record via the gettenant Parse cloud function. The function accepts a contactId parameter and returns the full tenant record without authentication or authorization checks. An attacker can enumerate and disclose tenant configuration data for any organisation in the system."
},
{
"lang": "es",
"value": "Una vulnerabilidad de revelación de información en OpenSignLabs OpenSign hasta la versión 2.37.0 permite a atacantes remotos no autenticados recuperar cualquier registro de inquilino de organización a través de la función de nube Parse gettenant. La función acepta un parámetro contactId y devuelve el registro completo del inquilino sin comprobaciones de autenticación o autorización. Un atacante puede enumerar y revelar datos de configuración del inquilino para cualquier organización en el sistema."
}
],
"affected": [
{
"source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
"affectedData": [
{
"vendor": "OpenSignLabs",
"product": "OpenSign",
"versions": [
{
"version": "0",
"lessThanOrEqual": "2.37.0",
"versionType": "custom",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-08-11T15:10:36.259751Z",
"id": "CVE-2026-72548",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-200"
}
]
}
],
"references": [
{
"url": "https://github.com/OpenSignLabs/OpenSign",
"source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c"
}
]
}