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CERTFR-2026-AVI-1261
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans Zabbix. Certaines d'entre elles permettent à un attaquant de provoquer un déni de service à distance, une atteinte à la confidentialité des données et une atteinte à l'intégrité des données.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
References
| Title | Publication Time | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
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"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Zabbix versions 7.4.x ant\u00e9rieures \u00e0 7.4.13",
"product": {
"name": "Zabbix",
"vendor": {
"name": "Zabbix",
"scada": false
}
}
},
{
"description": "Zabbix versions 6.0.x ant\u00e9rieures \u00e0 6.0.48",
"product": {
"name": "Zabbix",
"vendor": {
"name": "Zabbix",
"scada": false
}
}
},
{
"description": "Zabbix versions 7.0.x ant\u00e9rieures \u00e0 7.0.29",
"product": {
"name": "Zabbix",
"vendor": {
"name": "Zabbix",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-59785",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-59785"
},
{
"name": "CVE-2026-59786",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-59786"
},
{
"name": "CVE-2026-59782",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-59782"
},
{
"name": "CVE-2026-59788",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-59788"
},
{
"name": "CVE-2026-59783",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-59783"
},
{
"name": "CVE-2026-59787",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-59787"
}
],
"initial_release_date": "2026-10-05T00:00:00",
"last_revision_date": "2026-10-05T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-1261",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-10-05T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Injection de code indirecte \u00e0 distance (XSS)"
},
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Zabbix. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer un d\u00e9ni de service \u00e0 distance, une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es et une atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Zabbix",
"vendor_advisories": [
{
"published_at": "2026-10-05",
"title": "Bulletin de s\u00e9curit\u00e9 Zabbix ZBX-28194",
"url": "https://support.zabbix.com/browse/ZBX-28194"
},
{
"published_at": "2026-10-05",
"title": "Bulletin de s\u00e9curit\u00e9 Zabbix ZBX-28195",
"url": "https://support.zabbix.com/browse/ZBX-28195"
},
{
"published_at": "2026-10-05",
"title": "Bulletin de s\u00e9curit\u00e9 Zabbix ZBX-28197",
"url": "https://support.zabbix.com/browse/ZBX-28197"
},
{
"published_at": "2026-10-05",
"title": "Bulletin de s\u00e9curit\u00e9 Zabbix ZBX-28198",
"url": "https://support.zabbix.com/browse/ZBX-28198"
},
{
"published_at": "2026-10-05",
"title": "Bulletin de s\u00e9curit\u00e9 Zabbix ZBX-28193",
"url": "https://support.zabbix.com/browse/ZBX-28193"
},
{
"published_at": "2026-10-05",
"title": "Bulletin de s\u00e9curit\u00e9 Zabbix ZBX-28196",
"url": "https://support.zabbix.com/browse/ZBX-28196"
}
]
}
CVE-2026-59786 (GCVE-0-2026-59786)
Vulnerability from cvelistv5
Published
2026-10-05 10:29
Modified
2026-10-05 11:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-940 - Improper Verification of Source of a Communication Channel
Summary
Zabbix Server and Proxy accept the active agent heartbeat message regardless of the configured PSK or certificate authentication. This means someone with access to the Zabbix trapper port can report an arbitrary host using an active agent as available, resulting in a loss of integrity.
References
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CVE-2026-59788 (GCVE-0-2026-59788)
Vulnerability from cvelistv5
Published
2026-10-05 10:29
Modified
2026-10-05 11:23
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
The email media type OAuth form passes the Authorization endpoint value to window.open() without validating the URL scheme, so a javascript: URL is executed in the browser. This means a crafted media type configuration, deliverable as an import file, runs arbitrary JavaScript as the Super Admin who grants consent.
References
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CVE-2026-59783 (GCVE-0-2026-59783)
Vulnerability from cvelistv5
Published
2026-10-05 10:28
Modified
2026-10-05 11:50
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-787 - Out-of-bounds Write
Summary
The Zabbix Server/Proxy has a vulnerability where binary items can crash the Server/Proxy on certain NULL byte input leading to potential loss of availability. This only affects deployments where MySQL/MariaDB database is used as the Zabbix database.
References
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CVE-2026-59782 (GCVE-0-2026-59782)
Vulnerability from cvelistv5
Published
2026-10-05 10:27
Modified
2026-10-05 11:53
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
The JavaScript preprocessing (Duktape) engine on Zabbix server has a vulnerability where a limited administrator is able to read raw heap data potentially resulting in leaked data from other running preprocessors not available to said administrator.
References
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CVE-2026-59785 (GCVE-0-2026-59785)
Vulnerability from cvelistv5
Published
2026-10-05 10:28
Modified
2026-10-05 11:43
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-204 - Observable Response Discrepancy
Summary
Host search in Frontend allows filtering by fields that are not displayed, including stored IPMI and PSK credentials. A user with read access can guess a credential and see from the search result whether the guess was right, letting them uncover it.
References
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CVE-2026-59787 (GCVE-0-2026-59787)
Vulnerability from cvelistv5
Published
2026-10-05 10:29
Modified
2026-10-05 11:23
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-143 - Improper Neutralization of Record Delimiters
Summary
The Perl SNMP trap receiver script shipped with Zabbix does not properly neutralize the ZBXTRAP record delimiter in trap content. This means someone able to send SNMP traps can inject a record targeting another host, resulting in a loss of integrity.
References
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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