CVE-2026-85013
A flaw was found in environment-modules. A local attacker can exploit this vulnerability by placing a maliciously named modulefile in a location visible to the victim's `MODULEPATH`. When the victim uses Bash completion for `module` or `ml` commands, the malicious module name, containing shell metacharacters, is evaluated as a command. This can lead to arbitrary command execution in the completing user's shell, impacting their confidentiality, integrity, and availability.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- Puntuación base: 7.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.22%
- Percentil entre todas las CVEs puntuadas: 11
- 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).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1203Exploitation for Client Executionexecution85 % - Impacto principal
T1059Command and Scripting Interpreterexecution90 % - Impacto secundario
T1068Exploitation for Privilege Escalationprivilege escalation70 %
AV:L, UI:R indica explotación en cliente (T1203): víctima invoca bash completion. CWE-78 + metacaracteres evaluados = T1059. Escalada potencial si comando ejecutado con privilegios elevados (PR:L).
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-78
Referencias
- https://access.redhat.com/errata/RHSA-2026:64766
- https://access.redhat.com/security/cve/CVE-2026-85013
- https://bugzilla.redhat.com/show_bug.cgi?id=2465635
- https://github.com/envmodules/modules/security/advisories/GHSA-8hrw-p88g-qhmg
- https://github.com/envmodules/modules/security/advisories/GHSA-8hrw-p88g-qhmg
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-85013",
"cveTags": [],
"metrics": {
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{
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"role": "CISA Coordinator",
"options": [
{
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},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2026-09-15T17:20:35.841689Z"
}
}
],
"cvssMetricV31": [
{
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"source": "secalert@redhat.com",
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"version": "3.1",
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"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 1.3
}
]
},
"affected": [
{
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"affectedData": [
{
"cpes": [
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],
"vendor": "Red Hat",
"product": "Red Hat Hardened Images",
"versions": [
{
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"version": "5.6.2-1.hum1",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "environment-modules-main",
"collectionURL": "https://catalog.redhat.com/software/containers/",
"defaultStatus": "affected"
},
{
"cpes": [
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],
"vendor": "Red Hat",
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},
{
"cpes": [
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],
"vendor": "Red Hat",
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{
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{
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"defaultStatus": "affected"
},
{
"cpes": [
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"vendor": "Red Hat",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
}
]
}
],
"published": "2026-09-15T16:17:34.543",
"references": [
{
"url": "https://access.redhat.com/errata/RHSA-2026:64766",
"source": "secalert@redhat.com"
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{
"url": "https://access.redhat.com/security/cve/CVE-2026-85013",
"source": "secalert@redhat.com"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2465635",
"source": "secalert@redhat.com"
},
{
"url": "https://github.com/envmodules/modules/security/advisories/GHSA-8hrw-p88g-qhmg",
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},
{
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"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
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"vulnStatus": "Awaiting Analysis",
"weaknesses": [
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"source": "secalert@redhat.com",
"description": [
{
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"descriptions": [
{
"lang": "en",
"value": "A flaw was found in environment-modules. A local attacker can exploit this vulnerability by placing a maliciously named modulefile in a location visible to the victim's `MODULEPATH`. When the victim uses Bash completion for `module` or `ml` commands, the malicious module name, containing shell metacharacters, is evaluated as a command. This can lead to arbitrary command execution in the completing user's shell, impacting their confidentiality, integrity, and availability."
}
],
"lastModified": "2026-09-21T12:17:21.263",
"sourceIdentifier": "secalert@redhat.com"
}