Is there a public exploit for CVE-2026-104139?

No public exploit for CVE-2026-104139 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-104139?

CVE-2026-104139 scores CVSS 6.5 (v3.1), rated medium. EPSS puts the chance of exploitation in the next 30 days at 0.3%.

What does CVE-2026-104139 affect?

CVE-2026-104139 affects OpenEMR OpenEMR.

6.5 Medium

OpenEMR is a free and open source electronic health records and medical practice management application.

CVE-2026-104139

OpenEMR is a free and open source electronic health records and medical practice management application. Prior to 8.3.0, library/ajax/setpt.php allows any authenticated user to set an arbitrary patient identifier in the active session without an ACL check, and interface/patientfile/downloadtemplate.php trusts that session value while enforcing only CSRF validation. A low-privilege user can select another patient and download a rendered document template containing the patient's demographics, encounter information, allergies, medications, and problem list despite lacking patients/docs access. This issue is fixed in version 8.3.0.

Assessment

CVSS: 6.5 (v3.1)
Severity: Medium
EPSS: 0.3% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 5 November 2026
Last updated: 9 November 2026
Affected: OpenEMR · OpenEMR
Assigner: GitHub_M

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

At the source

EUVD (ENISA)

References

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