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vuln-cve/data/2026/73xxx/CVE-2026-73845.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-73845",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-08-13T17:44:28.643Z",
"datePublished": "2026-08-14T16:45:06.714Z",
"dateUpdated": "2026-08-14T18:06:04.170Z"
},
"containers": {
"cna": {
"title": "CKAN MCP Server: MQA server allowlist bypass via unanchored regex (`isValidMqaServer`)",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-20",
"lang": "en",
"description": "CWE-20: Improper Input Validation",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-625",
"lang": "en",
"description": "CWE-625: Permissive Regular Expression",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-918",
"lang": "en",
"description": "CWE-918: Server-Side Request Forgery (SSRF)",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/ondata/ckan-mcp-server/security/advisories/GHSA-83x6-42hr-jc76",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/ondata/ckan-mcp-server/security/advisories/GHSA-83x6-42hr-jc76"
},
{
"name": "https://github.com/ondata/ckan-mcp-server/commit/8e1522f9bbfa1f3b21550f17887f60f133e24151",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/ondata/ckan-mcp-server/commit/8e1522f9bbfa1f3b21550f17887f60f133e24151"
},
{
"name": "https://github.com/ondata/ckan-mcp-server/releases/tag/v0.4.112",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/ondata/ckan-mcp-server/releases/tag/v0.4.112"
}
],
"affected": [
{
"vendor": "ondata",
"product": "ckan-mcp-server",
"versions": [
{
"version": "< 0.4.112",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-08-14T16:45:06.714Z"
},
"descriptions": [
{
"lang": "en",
"value": "CKAN MCP Server is a tool for querying CKAN open data portals. Prior to 0.4.112, the ckan_get_mqa_quality and ckan_get_mqa_quality_details tools in src/tools/quality.ts use isValidMqaServer to validate the server_url parameter with a prefix-only regular expression for dati.gov.it, allowing suffix-host and URL-userinfo values to target an attacker-controlled host and return a spoofed response. This issue is fixed in version 0.4.112."
}
],
"source": {
"advisory": "GHSA-83x6-42hr-jc76",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-08-14T17:41:38.966873Z",
"id": "CVE-2026-73845",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-08-14T18:06:04.170Z"
}
}
]
}
}