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

CVSS 8.5 · High

Affected Version Matrix 1

VendorProductVersion RangeStatus
medplummedplum< 5.1.14affected
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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: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
medplummedplum 0 ~ 5.1.14 -

II. Public POCs for CVE-2026-49120

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 7467 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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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 weakness: CWE-918

V. Comments for CVE-2026-49120

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