CVE-2026-15643: awslabs.healthlake-mcp-server 0 to before 0.0.14

CVE-2026-15643. CVSS 3.1 base score 7.3 (HIGH, Source advisory). EPSS 0.0039 (percentile 0.31992), scored 24-Oct-2026.

Affected technology

awslabs.healthlake-mcp-server · 0 to before 0.0.14
AWS

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 4.0): Network (remote) · Low privileges required · Active user interaction

What an attacker can do

A remote authenticated user might exfiltrate AWS temporary security credentials to an arbitrary endpoint via a crafted next_token parameter. Source advisory’s CVSS 4.0 assessment (base score 9.2/10) rates confidentiality and integrity impact as high; availability impact as none.

Published 25-Oct-2026 01:30 UTC

CWE: CWE-918
CCR priority: 29.3 /100 (P4)
CVSS 3.1: 7.3 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N · Source advisory
EPSS: 0.0039 · percentile 0.31992 · 2026-10-24
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-25 01:28:19.133527+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-15643.html