CVE-2026-9699
Estado: Pendiente de análisisMedia (6.8)—
Mattermost Plugins versions <=11.6 10.18.11 11.3.6 11.6.5.0 fail to sanitize error responses from the OpenAI API before logging, which allows a user with access to server logs or support packets to obtain a valid or partially reconstructable OpenAI API key via inspection of mattermost.log entries generated during authentication failures. Mattermost Advisory ID: MMSA-2026-00609
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
- Puntuación base: 6.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.46%
- Percentil entre todas las CVEs puntuadas: 38
- 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).
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-532
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-9699",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-9699",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-06-26T15:40:45.502984Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "responsibledisclosure@mattermost.com",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 6.8,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "HIGH",
"confidentialityImpact": "HIGH"
},
"impactScore": 4,
"exploitabilityScore": 2.3
}
]
},
"affected": [
{
"source": "responsibledisclosure@mattermost.com",
"affectedData": [
{
"vendor": "Mattermost",
"product": "Mattermost",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "semver",
"lessThanOrEqual": "10.18.11"
},
{
"status": "affected",
"version": "0",
"versionType": "semver",
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{
"status": "affected",
"version": "0",
"versionType": "semver",
"lessThanOrEqual": "11.6.5"
},
{
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"version": "11.7.0"
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{
"status": "unaffected",
"version": "10.11.19"
},
{
"status": "unaffected",
"version": "11.6.4"
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{
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"version": "11.5.7"
}
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],
"published": "2026-06-26T15:16:56.083",
"references": [
{
"url": "https://mattermost.com/security-updates",
"source": "responsibledisclosure@mattermost.com"
}
],
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"type": "Secondary",
"source": "responsibledisclosure@mattermost.com",
"description": [
{
"lang": "en",
"value": "CWE-532"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Mattermost Plugins versions <=11.6 10.18.11 11.3.6 11.6.5.0 fail to sanitize error responses from the OpenAI API before logging, which allows a user with access to server logs or support packets to obtain a valid or partially reconstructable OpenAI API key via inspection of mattermost.log entries generated during authentication failures. Mattermost Advisory ID: MMSA-2026-00609"
}
],
"lastModified": "2026-06-26T16:16:37.360",
"sourceIdentifier": "responsibledisclosure@mattermost.com"
}