CVE-2026-35095
Estado: AplazadaMedia (4.8)—
KTM System e-BOK allows the session identifier to be set by the client prior to authentication. If a cookie with a valid name is set, its value remains unchanged after successful login. This behaviour enables an attacker to fix a session ID for a victim and later hijack the authenticated session.
This issue was fixed in the patch published in June 2026.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/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
- Puntuación base: 4.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.21%
- Percentil entre todas las CVEs puntuadas: 10
- 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).
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-384
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-35095",
"cveTags": [],
"metrics": {
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"ssvcData": {
"id": "CVE-2026-35095",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
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"version": "2.0.3",
"timestamp": "2026-06-30T14:42:36.409765Z"
}
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"version": "4.0",
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"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/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": "PASSIVE",
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"vulnIntegrityImpact": "LOW",
"integrityRequirement": "NOT_DEFINED",
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"vulnAvailabilityImpact": "NONE",
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"vulnerabilityResponseEffort": "NOT_DEFINED",
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"affected": [
{
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"affectedData": [
{
"vendor": "KTM System",
"modules": [
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"versions": [
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"version": "0",
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"published": "2026-06-30T14:16:26.283",
"references": [
{
"url": "https://cert.pl/posts/2026/06/CVE-2026-35095/",
"source": "cvd@cert.pl"
},
{
"url": "https://ktmsystem.pl/internetowe-biuro-obslugi-klienta/",
"source": "cvd@cert.pl"
}
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"weaknesses": [
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"source": "cvd@cert.pl",
"description": [
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"value": "CWE-384"
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"descriptions": [
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"value": "KTM System e-BOK allows the session identifier to be set by the client prior to authentication. If a cookie with a valid name is set, its value remains unchanged after successful login. This behaviour enables an attacker to fix a session ID for a victim and later hijack the authenticated session.\n\nThis issue was fixed in the patch published in June 2026."
}
],
"lastModified": "2026-06-30T15:16:54.477",
"sourceIdentifier": "cvd@cert.pl"
}