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Emerging threatsCritical

CVE-2026-124450Openemr Vulnerability

OpenEMR before 8.3.0 Arbitrary File Read/Write via disposeDocument

Published Nov 8, 2026 · Updated Nov 10, 2026 · Also known as EUVD-2026-119550, GHSA-cq78-6jw9-4cxm, GHSA-wf4w-mx2w-j4vv

Key Facts

Patch in the next maintenance window
  • CVE-2026-124450 is a critical-severity vulnerability (CVSS 9.3 v4) affecting Openemr (Open-Emr).
  • It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
  • EPSS estimates a 0.5% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Openemr 8.3.0.
  • Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

Scores

CVSS v4

9.3

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:L/SA:N

EPSS (30-day exploit likelihood)

0.5%

Higher than 42.3% of all scored CVEs

Exploit maturity

Proof of concept

ATLAS score

47/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Proof of concept

Public exploit code

1

Proof-of-concept links

In-the-wild evidence

0

Reports of active use

Description

OpenEMR before 8.3.0 contains a broken access control and path traversal vulnerability in the fax/sms module disposeDocument action via an unvalidated file_path parameter. Authenticated low-privilege users can read sqlconf.php to recover database credentials and write arbitrary files as the web user, enabling remote code execution.

Affected Products

2 affected entries in total
ProductAffected versionsFixed in
OpenemrOpen-EmrSee advisory8.3.0

Patched Releases

Openemr

8.3.0

Timeline

  1. Publicly disclosed

    Nov 8, 2026

  2. Last updated

    Nov 10, 2026

Weakness Type

  • CWE-73 External Control of File Name or Path

FAQ

Common Questions.

Is CVE-2026-124450 On Your Attack Surface?

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More vulnerabilities

Figures as of Nov 10, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

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