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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-15643",
"assignerOrgId": "ff89ba41-3aa1-4d27-914a-91399e9639e5",
"state": "PUBLISHED",
"assignerShortName": "AMZN",
"dateReserved": "2026-07-13T18:48:24.351Z",
"datePublished": "2026-07-14T20:03:58.729Z",
"dateUpdated": "2026-07-15T14:22:10.360Z"
},
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"cna": {
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"shortName": "AMZN",
"dateUpdated": "2026-07-14T20:03:58.729Z"
},
"title": "AWS HealthLake MCP Server SSRF via Pagination URL",
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"cweId": "CWE-918",
"description": "CWE-918 Server-Side request forgery (SSRF)",
"type": "CWE"
}
]
}
],
"impacts": [
{
"capecId": "CAPEC-664",
"descriptions": [
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"lang": "en",
"value": "CAPEC-664 Server Side Request Forgery"
}
]
}
],
"affected": [
{
"vendor": "AWS",
"product": "awslabs.healthlake-mcp-server",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "0.0.14",
"versionType": "custom"
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"versionEndExcluding": "0.0.14"
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"descriptions": [
{
"lang": "en",
"value": "AWS HealthLake MCP Server (awslabs.healthlake-mcp-server) is a Model Context Protocol server that enables AI assistants to interact with AWS HealthLake FHIR datastores. A server-side request forgery in the pagination handling component in AWS awslabs.healthlake-mcp-server before 0.0.14 on all platforms might allow a remote authenticated user to exfiltrate AWS temporary security credentials to an arbitrary endpoint via a crafted next_token parameter. The server does not validate that pagination URLs point back to the expected HealthLake endpoint, allowing an actor to redirect subsequent requests to an actor-controlled server.\n\n\n\nIts recommended to upgrade to version 0.0.14 or later.",
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"value": "<p><span>AWS HealthLake MCP Server (awslabs.healthlake-mcp-server) is a Model Context Protocol server that enables AI assistants to interact with AWS HealthLake FHIR datastores.&nbsp;</span>A server-side request forgery in the pagination handling component in AWS awslabs.healthlake-mcp-server before 0.0.14 on all platforms might allow a remote authenticated user to exfiltrate AWS temporary security credentials to an arbitrary endpoint via a crafted next_token parameter. The server does not validate that pagination URLs point back to the expected HealthLake endpoint, allowing an actor to redirect subsequent requests to an actor-controlled server.</p><p>Its recommended to upgrade to version 0.0.14 or later.</p>"
}
]
}
],
"references": [
{
"url": "https://pypi.org/project/awslabs.healthlake-mcp-server/0.0.14/",
"tags": [
"release-notes"
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{
"url": "https://aws.amazon.com/security/security-bulletins/2026-054-aws/",
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"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "LOW",
"userInteraction": "ACTIVE",
"vulnConfidentialityImpact": "HIGH",
"subConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"subIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
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"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "NONE",
"baseSeverity": "HIGH",
"baseScore": 7.3,
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N"
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"source": {
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"content": {
"timestamp": "2026-07-15T14:21:52.824967Z",
"id": "CVE-2026-15643",
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"Exploitation": "none"
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"Automatable": "no"
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{
"Technical Impact": "total"
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"role": "CISA Coordinator",
"version": "2.0.3"
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"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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