CVE-2026-111936
Sigma File Manager hasta la versión 2.2.0 contiene una vulnerabilidad de falsificación de petición del lado del servidor (SSRF) porque validate_remote_url() en security.rs nunca comprueba las direcciones IP resueltas en los comandos de descarga de extensiones. Una extensión o una entrada del catálogo malintencionadas pueden usar nombres de host que se resuelven a direcciones de bucle local (loopback), privadas o de metadatos de la nube para leer respuestas internas a través de archivos escritos en el directorio de extensiones.
Traducción automática del texto original de NVD (en inglés).
CVSS
- Puntuación base
- 5.3
- Versión
- 4.0
- Vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/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
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días
- 0.26 %
- Percentil entre todas las CVEs puntuadas
- 17
- Fecha de la puntuación
- 20/10/2026
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 Executionexecution60 % - Impacto principal
T1090Proxycommand and control55 %
Inferido por reglas deterministas a partir del vector CVSS y la CWE. Solo orientativo.
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-918
Referencias
Mostrar las 5 referencias
- https://github.com/aleksey-hoffman/sigma-file-manager/blob/v2.2.0/src-tauri/src/extensions/filesystem.rs
- https://github.com/aleksey-hoffman/sigma-file-manager/blob/v2.2.0/src-tauri/src/extensions/security.rs
- https://github.com/aleksey-hoffman/sigma-file-manager/commit/45cedf892f800c6b140b0e3cd6e55fdbcf2cf479
- https://github.com/aleksey-hoffman/sigma-file-manager/issues/552
- https://www.vulncheck.com/advisories/sigma-file-manager-through-2.2.0-ssrf-via-extension-download-commands
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-111936",
"cveTags": [],
"metrics": {
"cvssMetricV31": [
{
"type": "Primary",
"source": "disclosure@vulncheck.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 4.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 1.4,
"exploitabilityScore": 2.8
}
],
"cvssMetricV40": [
{
"type": "Secondary",
"source": "disclosure@vulncheck.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:N/UI:P/VC:L/VI:N/VA:N/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": "PASSIVE",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"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": "disclosure@vulncheck.com",
"affectedData": [
{
"repo": "https://github.com/aleksey-hoffman/sigma-file-manager",
"vendor": "aleksey-hoffman",
"product": "Sigma File Manager",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "semver",
"lessThanOrEqual": "2.2.0"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-10-19T14:17:01.200",
"references": [
{
"url": "https://github.com/aleksey-hoffman/sigma-file-manager/blob/v2.2.0/src-tauri/src/extensions/filesystem.rs",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://github.com/aleksey-hoffman/sigma-file-manager/blob/v2.2.0/src-tauri/src/extensions/security.rs",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://github.com/aleksey-hoffman/sigma-file-manager/commit/45cedf892f800c6b140b0e3cd6e55fdbcf2cf479",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://github.com/aleksey-hoffman/sigma-file-manager/issues/552",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://www.vulncheck.com/advisories/sigma-file-manager-through-2.2.0-ssrf-via-extension-download-commands",
"source": "disclosure@vulncheck.com"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Primary",
"source": "disclosure@vulncheck.com",
"description": [
{
"lang": "en",
"value": "CWE-918"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Sigma File Manager through 2.2.0 contains a server-side request forgery vulnerability because validate_remote_url() in security.rs never checks resolved IP addresses for extension download commands. A malicious extension or catalog entry can use hostnames resolving to loopback, private, or cloud metadata addresses to read internal responses via files written to the extension directory."
}
],
"lastModified": "2026-10-19T21:14:14.150",
"sourceIdentifier": "disclosure@vulncheck.com"
}