CVE-2026-55528
PraisonAI is a multi-agent teams system. Prior to praisonaiagents 1.6.58, AgentServer exposes ServerConfig.auth_token but AgentServer._create_app does not check it on any route. A remote caller can subscribe, publish, and perform other actions without a valid bearer token or X-Auth-Token even when authentication is configured. This issue is fixed in version 1.6.58.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
- Puntuación base: 8.2
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.49%
- Percentil entre todas las CVEs puntuadas: 40
- Fecha de la puntuación: 4/10/2026
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
T1190Exploit Public-Facing Applicationinitial access95 % - Impacto principal
T1078Valid Accountsstealth · persistence · privilege escalation · initial access85 % - Impacto secundario
T1565Data Manipulationimpact75 %
Acceso remoto de red sin autenticación a API expuesta (CWE-306, CWE-862). Remote caller obtiene acceso no autenticado a funciones protegidas (suscripción, publicación); sin validar token permite usurpación de identidad (T1078) y potencial manipulación de datos en sistema multi-agente (T1565).
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-306, CWE-862
Referencias
- https://github.com/MervinPraison/PraisonAI/commit/2f9677abb2ea68eab864ee8b6a828fd0141612e1
- https://github.com/MervinPraison/PraisonAI/releases/tag/v4.6.58
- https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-7g3p-92qq-8wvh
- https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-7g3p-92qq-8wvh
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-55528",
"cveTags": [],
"metrics": {
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{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"id": "CVE-2026-55528",
"role": "CISA Coordinator",
"options": [
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"exploitation": "poc"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-08-25T18:17:42.526934Z"
}
}
],
"cvssMetricV31": [
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 4.2,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "security-advisories@github.com",
"affectedData": [
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"vendor": "MervinPraison",
"product": "PraisonAI",
"versions": [
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}
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{
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"published": "2026-08-25T15:16:33.590",
"references": [
{
"url": "https://github.com/MervinPraison/PraisonAI/commit/2f9677abb2ea68eab864ee8b6a828fd0141612e1",
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"vulnStatus": "Deferred",
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"source": "security-advisories@github.com",
"description": [
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"descriptions": [
{
"lang": "en",
"value": "PraisonAI is a multi-agent teams system. Prior to praisonaiagents 1.6.58, AgentServer exposes ServerConfig.auth_token but AgentServer._create_app does not check it on any route. A remote caller can subscribe, publish, and perform other actions without a valid bearer token or X-Auth-Token even when authentication is configured. This issue is fixed in version 1.6.58."
}
],
"lastModified": "2026-09-09T21:07:31.353",
"sourceIdentifier": "security-advisories@github.com"
}