CVE-2026-92716
Shuffle through 2.2.1 contains a cross-tenant privilege escalation vulnerability in the HandleApiGeneration endpoint that allows administrators to reset and read API keys of non-administrator users in other organizations. Attackers with admin privileges in one organization can supply arbitrary user IDs to generate valid API keys for users in different organizations, enabling account takeover across tenant boundaries.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/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
- Puntuación base: 8.6
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.43%
- Percentil entre todas las CVEs puntuadas: 35
- Fecha de la puntuación: 6/10/2026
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
T1210Exploitation of Remote Serviceslateral movement85 % - Impacto principal
T1098.002Additional Email Delegate Permissionspersistence · privilege escalation90 % - Impacto secundario
T1078.004Cloud Accountsstealth · persistence · privilege escalation · initial access85 % - Impacto secundario
T1552.007Container APIcredential access80 %
Vulnerabilidad de escalada de privilegios en endpoint remoto que requiere autenticación (PR:L) permitiendo reset y lectura de claves API de usuarios en otros tenants, dando acceso a cuentas.
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-639
Referencias
- https://github.com/Shuffle/Shuffle
- https://github.com/Shuffle/shuffle-shared/blob/v1.2.50/shared.go#L9888-L9912
- https://github.com/Shuffle/shuffle-shared/commit/c1b582e91b429bc7d5ad02e6c22f98234ec67615
- https://github.com/geo-chen/oss/blob/main/shuffle.md
- https://www.vulncheck.com/advisories/shuffle-through-2.2.1-api-key-reset-cross-tenant-privilege-escalation
- https://github.com/geo-chen/oss/blob/main/shuffle.md
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-92716",
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"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"options": [
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},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
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"version": "2.0.3",
"timestamp": "2026-09-17T16:17:33.975791Z"
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"attackComplexity": "LOW",
"availabilityImpact": "NONE",
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"confidentialityImpact": "HIGH"
},
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}
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"attackVector": "NETWORK",
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"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/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",
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"providerUrgency": "NOT_DEFINED",
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"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "HIGH",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"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"
}
}
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"affected": [
{
"source": "disclosure@vulncheck.com",
"affectedData": [
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"repo": "https://github.com/Shuffle/Shuffle",
"vendor": "Shuffle",
"product": "Shuffle",
"versions": [
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"version": "0",
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"descriptions": [
{
"lang": "en",
"value": "Shuffle through 2.2.1 contains a cross-tenant privilege escalation vulnerability in the HandleApiGeneration endpoint that allows administrators to reset and read API keys of non-administrator users in other organizations. Attackers with admin privileges in one organization can supply arbitrary user IDs to generate valid API keys for users in different organizations, enabling account takeover across tenant boundaries."
}
],
"lastModified": "2026-09-24T20:47:31.797",
"sourceIdentifier": "disclosure@vulncheck.com"
}