CVE-2026-48901
The InputFilter::getInstance() method omitted a security sensitive parameter from the instance cache key.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Base score: 7.5
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 0.42%
- Percentile among all scored CVEs: 34
- Score date: 10/5/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
🎯 ATT&CK techniques
How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.
- Exploitation
T1190Exploit Public-Facing Applicationinitial access92 % - Primary impact
T1005Data from Local Systemcollection85 % - Secondary impact
T1552Unsecured Credentialscredential access78 %
Vector CVSS AV:N/AC:L/PR:N/UI:N indica vulnerabilidad remota sin autenticación. CWE-524 (acceso a caché inseguro) permite lectura de datos sensibles. InputFilter getInstance() con parámetro omitido en clave de caché expone datos confidenciales.
Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.
🛡️ ATT&CK mitigations that cover these techniques
Affected technologies (1)
CWEs
- CWE-524
References
Raw JSON (NVD)
Show
{
"id": "CVE-2026-48901",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-48901",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-05-28T13:18:22.218493Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.5,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 3.6,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "security@joomla.org",
"affectedData": [
{
"vendor": "Joomla! Project",
"product": "Joomla! CMS",
"versions": [
{
"status": "affected",
"version": "4.0.0-5.4.5"
},
{
"status": "affected",
"version": "6.0.0-6.1.0"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-05-26T17:16:54.880",
"references": [
{
"url": "https://developer.joomla.org/security-centre/1049-20260517-core-incorrect-cache-key-construction-for-inputfilter-objects.html",
"tags": [
"Vendor Advisory"
],
"source": "security@joomla.org"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"description": [
{
"lang": "en",
"value": "CWE-524"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The InputFilter::getInstance() method omitted a security sensitive parameter from the instance cache key."
},
{
"lang": "es",
"value": "El método InputFilter::getInstance() omitió un parámetro sensible a la seguridad de la clave de caché de la instancia."
}
],
"lastModified": "2026-07-24T11:10:00.170",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1F29F0C8-03D1-4381-B42C-9D46ED87C6E8",
"versionEndExcluding": "5.4.6",
"versionStartIncluding": "4.0.0"
},
{
"criteria": "cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F3C5DA4D-FEC6-4EF3-A886-FBF7DDE2EC33",
"versionEndExcluding": "6.1.1",
"versionStartIncluding": "6.0.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "security@joomla.org"
}