CVE-2026-126455

OpenEMR before 8.5.0 Privilege Escalation via Missing Authorization and SQL Injection

  • High 8.6

Description

OpenEMR before 8.5.0 contains multiple missing authorization and SQL injection defects across report, portal, transaction, and immunization components. Low-privileged Front Office clerks can chain these to read arbitrary database tables including users_secure hashes, hijack patient portal identities, and forge approved clinical records.

Key facts

Published
13 Nov 2026
Last changed
13 Nov 2026
Assigned by
VulnCheck
EPSS
0.336% likely to be exploited in the next 30 days, higher than 27.371% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: none; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 8.6CVSS 4.0, Highfrom the CNA (VulnCheck)CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
  • 8.1CVSS 3.1, Highfrom the CNA (VulnCheck)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
openemropenemr
  • Default status: unaffected
  • 0 up to but excluding 8.5.0 (affected)
  • 8.5.0 (unaffected)

Timeline

  1. 13 Nov 2026 Published

Weakness

References