CVE-2026-113595
Sharkord anterior a la versión 0.0.26 contiene una vulnerabilidad de falta de autorización en la mutación tRPC others.changeLogo, que permite a cualquier miembro autenticado modificar el logotipo del servidor sin el permiso MANAGE_SETTINGS. Los atacantes pueden eliminar el logotipo actual y reemplazarlo por una imagen subida que se publica a todos los clientes conectados.
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:L/UI:N/VC:N/VI:L/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)
FIRST aún no ha puntuado esta CVE (habitual en CVEs muy recientes o rechazadas).
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
T1210Exploitation of Remote Serviceslateral movement85 % - Impacto principal
T1491.001Internal Defacementimpact80 %
Vector AV:N con PR:L (red con privilegios) → T1210; el texto describe cambiar el logo del servidor publicado a todos los clientes, lo que encaja con desfiguración interna. T1078 no se sustenta.
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-862
Referencias
Mostrar las 6 referencias
- https://github.com/Sharkord/sharkord/blob/v0.0.25/apps/server/src/routers/others/change-logo.ts
- https://github.com/Sharkord/sharkord/commit/fd15061eaf366c7150325780a2d7b4b452f1134f
- https://github.com/Sharkord/sharkord/issues/387
- https://github.com/Sharkord/sharkord/issues/851
- https://github.com/Sharkord/sharkord/releases/tag/v0.0.26
- https://www.vulncheck.com/advisories/sharkord-before-0.0.26-missing-authorization-via-changelogo-trpc-route
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-113595",
"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: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
}
],
"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:L/UI:N/VC:N/VI:L/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": "NONE",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "LOW",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "LOW",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "NONE",
"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/Sharkord/sharkord",
"vendor": "Sharkord",
"product": "sharkord",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "0.0.26",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-10-20T16:17:08.083",
"references": [
{
"url": "https://github.com/Sharkord/sharkord/blob/v0.0.25/apps/server/src/routers/others/change-logo.ts",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://github.com/Sharkord/sharkord/commit/fd15061eaf366c7150325780a2d7b4b452f1134f",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://github.com/Sharkord/sharkord/issues/387",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://github.com/Sharkord/sharkord/issues/851",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://github.com/Sharkord/sharkord/releases/tag/v0.0.26",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://www.vulncheck.com/advisories/sharkord-before-0.0.26-missing-authorization-via-changelogo-trpc-route",
"source": "disclosure@vulncheck.com"
}
],
"vulnStatus": "Received",
"weaknesses": [
{
"type": "Primary",
"source": "disclosure@vulncheck.com",
"description": [
{
"lang": "en",
"value": "CWE-862"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Sharkord before 0.0.26 contains a missing authorization vulnerability in the others.changeLogo tRPC mutation that allows any authenticated member to modify the server logo without the MANAGE_SETTINGS permission. Attackers can remove the current logo and replace it with an uploaded image that is published to every connected client."
}
],
"lastModified": "2026-10-20T16:17:08.083",
"sourceIdentifier": "disclosure@vulncheck.com"
}