CVE-2026-34754
Estado: AplazadaMedia (4.3)—
Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.28.1 and prior allow an authenticated user to upload attachments to private Issues they are not authorized to access. This issue has been fixed in version 2.28.2.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- Puntuación base: 4.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.33%
- Percentil entre todas las CVEs puntuadas: 23
- Fecha de la puntuación: 5/10/2026
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)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-284
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-34754",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-34754",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-05-20T15:07:20.317286Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "security-advisories@github.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 4.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
},
"impactScore": 1.4,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "security-advisories@github.com",
"affectedData": [
{
"vendor": "mantisbt",
"product": "mantisbt",
"versions": [
{
"status": "affected",
"version": "< 2.28.2"
}
]
}
]
}
],
"published": "2026-05-20T00:16:34.857",
"references": [
{
"url": "https://github.com/mantisbt/mantisbt/commit/b262b4d2835b81394d75356dead66e52a6275206",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/mantisbt/mantisbt/security/advisories/GHSA-h4x5-gvx6-3rwc",
"source": "security-advisories@github.com"
},
{
"url": "https://mantisbt.org/bugs/view.php?id=36976",
"source": "security-advisories@github.com"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "security-advisories@github.com",
"description": [
{
"lang": "en",
"value": "CWE-284"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.28.1 and prior allow an authenticated user to upload attachments to private Issues they are not authorized to access. This issue has been fixed in version 2.28.2."
},
{
"lang": "es",
"value": "Mantis Bug Tracker (MantisBT) es un rastreador de problemas de código abierto. Las versiones 2.28.1 y anteriores permiten a un usuario autenticado subir archivos adjuntos a incidencias privadas a las que no están autorizados a acceder. Este problema ha sido corregido en la versión 2.28.2."
}
],
"lastModified": "2026-07-24T09:10:00.153",
"sourceIdentifier": "security-advisories@github.com"
}