CVE-2026-28812
Full vulnerability record from the local CVENow database.
Description
UserManager lack of checks allows impersonation in Apache JSPWiki up to 2.12.3 which may allow attackers to escalate privileges. Users are recommended to upgrade to version 2.12.4 or newer which fixes this issue.
Severity
CRITICAL
CVSS score
9.8
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-07-30 16:17:10.967000
Last modified
2026-10-23 22:10:00.160000
View original CVE JSON
{
"id": "CVE-2026-28812",
"sourceIdentifier": "[email protected]",
"published": "2026-07-30T16:17:10.967",
"lastModified": "2026-10-23T22:10:00.160",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "UserManager lack of checks allows impersonation in Apache JSPWiki up to 2.12.3 which may allow attackers to escalate privileges.\nUsers are recommended to upgrade to version 2.12.4 or newer which fixes this issue."
},
{
"lang": "es",
"value": "La falta de comprobaciones en UserManager permite la suplantación de identidad en Apache JSPWiki hasta la versión 2.12.3, lo que puede permitir a los atacantes escalar privilegios.\nSe recomienda a los usuarios actualizar a la versión 2.12.4 o posterior, que soluciona este problema."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Apache Software Foundation",
"product": "Apache JSPWiki",
"defaultStatus": "unaffected",
"versions": [
{
"version": "0",
"lessThan": "2.12.4",
"versionType": "semver",
"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:N/S:U/C:H/I:H/A:H",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-07-31T15:28:05.878355Z",
"id": "CVE-2026-28812",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-290"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:apache:jspwiki:*:*:*:*:*:*:*:*",
"versionEndExcluding": "2.12.4",
"matchCriteriaId": "8891E7DC-16A4-45E0-9683-0E488593FB1F"
}
]
}
]
}
],
"references": [
{
"url": "https://lists.apache.org/thread/n3m666d6t6871dldvz3ct49ooqkbgw2p",
"source": "[email protected]",
"tags": [
"Mailing List",
"Vendor Advisory"
]
},
{
"url": "http://www.openwall.com/lists/oss-security/2026/07/30/15",
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
]
}
]
}