CVE-2026-15643 (GCVE-0-2026-15643)

Vulnerability from cvelistv5 – Published: 2026-07-14 20:03 – Updated: 2026-07-15 14:22
VLAI
Title
AWS HealthLake MCP Server SSRF via Pagination URL
Summary
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. Its recommended to upgrade to version 0.0.14 or later.
Severity
9.2 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:H/SI:N/SA:N
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-15 14:21 UTC
CWE
  • CWE-918 - Server-Side request forgery (SSRF)
Assigner
AMZN CNA under the mitre root
CNA scorecard A 94/100 over 161 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
AWS awslabs.healthlake-mcp-server Affected: 0 , < 0.0.14 (custom)
    cpe:2.3:a:aws:awslabs.healthlake-mcp-server:*:*:*:*:*:*:*:*
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