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CVE-2026-126487 OpenEMR before 8.5.0 Global Configuration Override via user_settings.php

8.7 highExploit referenceEPSS 0.5%

High (8.7) in open-emr openemr. EPSS 0.5% estimated probability of exploitation activity in the next 30 days.

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OpenEMR before 8.5.0 contains an authorization bypass vulnerability that allows authenticated users to override system-wide global configuration values by storing global-prefixed keys through library/ajax/user_settings.php. Attackers can submit lab or target parameters with global: prefixed setting names to disable audit logging, weaken password policies, or alter security-sensitive settings persistently for their sessions.

Severity

CVSS 4.0

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

CVSS 3.1

8.8 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.5% estimated probability of exploitation activity in the next 30 days; 41st percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CWE
CWE-269 Improper Privilege Management
OWASP Top 10
A06:2025 Insecure Design
Published
Modified
Assigned by
VulnCheck (CNA)
NVD analysis
Analyzed
Record from
the NVD, synced

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Affected

Versions

From the CNA's record in the CVE List.

ProductAffected
openemrbefore 8.5.0

Fix and patched versions

Attack patterns (CAPEC)

  • CAPEC-58 Restful Privilege Elevation Likelihood: High · Severity: High
  • CAPEC-122 Privilege Abuse Likelihood: High · Severity: Medium
  • CAPEC-233 Privilege Escalation

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.

History

  1. Analyzed by the NVD

Changes since this site first stored the record. The same for every record: /api/public/changes.

References

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