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vuln-cve/data/2026/45xxx/CVE-2026-45558.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-45558",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-05-12T19:00:14.599Z",
"datePublished": "2026-06-10T14:01:42.317Z",
"dateUpdated": "2026-06-10T15:43:53.271Z"
},
"containers": {
"cna": {
"title": "Roxy-WI: Authenticated RCE on every managed HAProxy load balancer via `option` field config injection in section save",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-20",
"lang": "en",
"description": "CWE-20: Improper Input Validation",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-77",
"lang": "en",
"description": "CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-78",
"lang": "en",
"description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-94",
"lang": "en",
"description": "CWE-94: Improper Control of Generation of Code ('Code Injection')",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.9,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/roxy-wi/roxy-wi/security/advisories/GHSA-w2x4-66jj-3597",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/roxy-wi/roxy-wi/security/advisories/GHSA-w2x4-66jj-3597"
}
],
"affected": [
{
"vendor": "roxy-wi",
"product": "roxy-wi",
"versions": [
{
"version": "<= 8.2.6.4",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-06-10T14:01:42.317Z"
},
"descriptions": [
{
"lang": "en",
"value": "Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers. In versions 8.2.6.4 and prior, the HAProxy section-save endpoints (POST /api/service/haproxy/<server_id>/section/<section_type> and the PUT / global / defaults variants) accept a JSON option field that is not validated, not escaped, and is rendered verbatim into the generated HAProxy configuration via the section.j2, global.j2, and defaults.j2 Ansible templates. Because Roxy-WI then pushes the generated config to the load balancer and runs systemctl reload haproxy, an authenticated user with role ≤ 3 (user) can inject arbitrary HAProxy directives into the config that runs on every load balancer their group manages — including option external-check + external-check command /bin/bash -c '…', which gives remote code execution on the load balancer as the haproxy user on every health-check tick. At time of publication, there are no publicly available patches."
}
],
"source": {
"advisory": "GHSA-w2x4-66jj-3597",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"references": [
{
"url": "https://github.com/roxy-wi/roxy-wi/security/advisories/GHSA-w2x4-66jj-3597",
"tags": [
"exploit"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-06-10T15:43:48.231187Z",
"id": "CVE-2026-45558",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-06-10T15:43:53.271Z"
}
}
]
}
}