CVE-2026-1963
Estado: AnalizadaMedia (5.3)—
A vulnerability was found in WeKan up to 8.20. This affects an unknown function of the file models/attachments.js of the component Attachment Storage. The manipulation results in improper access controls. The attack may be launched remotely. Upgrading to version 8.21 mitigates this issue. The patch is identified as c413a7e860bc4d93fe2adcf82516228570bf382d. Upgrading the affected component is advised.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/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
- Puntuación base: 5.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.36%
- Percentil entre todas las CVEs puntuadas: 28
- Fecha de la puntuación: 4/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-266, CWE-284
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-1963",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-1963",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-02-12T15:11:36.426743Z"
}
}
],
"cvssMetricV2": [
{
"type": "Secondary",
"source": "cna@vuldb.com",
"cvssData": {
"version": "2.0",
"baseScore": 6.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
"authentication": "SINGLE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "cna@vuldb.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 6.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "LOW",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
},
"impactScore": 3.4,
"exploitabilityScore": 2.8
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 9.8,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 3.9
}
],
"cvssMetricV40": [
{
"type": "Secondary",
"source": "cna@vuldb.com",
"cvssData": {
"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 5.3,
"Automatable": "NOT_DEFINED",
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/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",
"exploitMaturity": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "LOW",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "LOW",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "LOW",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"confidentialityRequirement": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED"
}
}
]
},
"affected": [
{
"source": "cna@vuldb.com",
"affectedData": [
{
"vendor": "n/a",
"modules": [
"Attachment Storage"
],
"product": "WeKan",
"versions": [
{
"status": "affected",
"version": "8.0"
},
{
"status": "affected",
"version": "8.1"
},
{
"status": "affected",
"version": "8.2"
},
{
"status": "affected",
"version": "8.3"
},
{
"status": "affected",
"version": "8.4"
},
{
"status": "affected",
"version": "8.5"
},
{
"status": "affected",
"version": "8.6"
},
{
"status": "affected",
"version": "8.7"
},
{
"status": "affected",
"version": "8.8"
},
{
"status": "affected",
"version": "8.9"
},
{
"status": "affected",
"version": "8.10"
},
{
"status": "affected",
"version": "8.11"
},
{
"status": "affected",
"version": "8.12"
},
{
"status": "affected",
"version": "8.13"
},
{
"status": "affected",
"version": "8.14"
},
{
"status": "affected",
"version": "8.15"
},
{
"status": "affected",
"version": "8.16"
},
{
"status": "affected",
"version": "8.17"
},
{
"status": "affected",
"version": "8.18"
},
{
"status": "affected",
"version": "8.19"
},
{
"status": "affected",
"version": "8.20"
},
{
"status": "unaffected",
"version": "8.21"
}
]
}
]
}
],
"published": "2026-02-05T21:15:53.180",
"references": [
{
"url": "https://github.com/wekan/wekan/",
"tags": [
"Product"
],
"source": "cna@vuldb.com"
},
{
"url": "https://github.com/wekan/wekan/commit/c413a7e860bc4d93fe2adcf82516228570bf382d",
"tags": [
"Patch"
],
"source": "cna@vuldb.com"
},
{
"url": "https://github.com/wekan/wekan/releases/tag/v8.21",
"tags": [
"Product",
"Release Notes"
],
"source": "cna@vuldb.com"
},
{
"url": "https://vuldb.com/?ctiid.344485",
"tags": [
"Permissions Required",
"VDB Entry"
],
"source": "cna@vuldb.com"
},
{
"url": "https://vuldb.com/?id.344485",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "cna@vuldb.com"
},
{
"url": "https://vuldb.com/?submit.742678",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "cna@vuldb.com"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "cna@vuldb.com",
"description": [
{
"lang": "en",
"value": "CWE-266"
},
{
"lang": "en",
"value": "CWE-284"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was found in WeKan up to 8.20. This affects an unknown function of the file models/attachments.js of the component Attachment Storage. The manipulation results in improper access controls. The attack may be launched remotely. Upgrading to version 8.21 mitigates this issue. The patch is identified as c413a7e860bc4d93fe2adcf82516228570bf382d. Upgrading the affected component is advised."
},
{
"lang": "es",
"value": "Se encontró una vulnerabilidad en WeKan hasta la versión 8.20. Esto afecta una función desconocida del archivo models/attachments.js del componente Almacenamiento de Adjuntos. La manipulación resulta en controles de acceso inadecuados. El ataque puede lanzarse remotamente. La actualización a la versión 8.21 mitiga este problema. El parche se identifica como c413a7e860bc4d93fe2adcf82516228570bf382d. Se aconseja actualizar el componente afectado."
}
],
"lastModified": "2026-06-17T10:16:47.347",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:wekan_project:wekan:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "083807DE-F47B-4A75-916B-CDC9A3307747",
"versionEndExcluding": "8.21"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cna@vuldb.com"
}