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CVE-2026-49120— Medplum < 5.1.14 SSRF via FHIR Subscription Endpoint

Quick assessment

Affected
medplum medplum
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Medplum是Medplum开源的一个医疗应用快速开发平台。 Medplum 5.1.14之前版本存在代码问题漏洞，该漏洞源于订阅工作者中存在服务端请求伪造漏洞，可能导致认证用户通过创建具有任意端点URL的FHIR Subscription资源执行未授权的内部网络请求。

CVSS 8.5 · High EPSS 0.23% · P14

Affected Version Matrix 1

VendorProduct Version RangeStatus
medplum medplum < 5.1.14 affected
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I. Basic Information for CVE-2026-49120

Vulnerability Information
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Vulnerability Title
Medplum < 5.1.14 SSRF via FHIR Subscription Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
Medplum before 5.1.14 contains a server-side request forgery vulnerability in the subscription worker that allows authenticated users to perform unauthorized internal network requests by creating FHIR Subscription resources with arbitrary endpoint URLs. Attackers can point subscription endpoints at internal addresses such as cloud instance metadata services, internal databases, or container orchestration endpoints to exfiltrate IAM credentials and patient health records via the POST body containing full FHIR resource payloads.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Medplum 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Medplum是Medplum开源的一个医疗应用快速开发平台。 Medplum 5.1.14之前版本存在代码问题漏洞，该漏洞源于订阅工作者中存在服务端请求伪造漏洞，可能导致认证用户通过创建具有任意端点URL的FHIR Subscription资源执行未授权的内部网络请求。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
medplum medplum 0 ~ 5.1.14 -

II. Public POCs for CVE-2026-49120

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7467 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-49120

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Patches & Fixes for CVE-2026-49120 (2)

News Coverage for CVE-2026-49120 (1)

IV. Related Vulnerabilities

Same product: medplum
Same vendor: medplum
Same weakness: CWE-918

V. Comments for CVE-2026-49120

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