CVE-2026-126438 json
OpenEMR before 8.5.0 Improper Authorization in Clinical-Rule Editor patient_data.php
published 18d ago modified 2d ago also EUVD-2026-125005 , GHSA-xqq3-59h5-xhmr
Unreviewed: the maintainers' own advisory
Published by the maintainers on their GitHub repository openemr/openemr. GitHub has not reviewed it into the GitHub Advisory Database, so the affected packages and versions are the maintainers' word. Read the full advisory on GitHub.
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 8%
- public exploits
- 0
- none known
Summary
OpenEMR before 8.5.0 contains an improper authorization vulnerability in interface/patient_file/rules/patient_data.php that allows read-only patients/med users to modify clinical-rule records. Attackers can submit a global form_entryID row ID to overwrite completion date, state, and result, including records of patients outside their configured squad.
Patch / fix
- openemr openemr 8.5.0
Is CVE-2026-126438 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-14).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 5.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N |
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
| CNA | 4.0 | 5.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| NVD | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
Affected products
- openemr openemr
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
github.com
/openemr/openemr/security/advisories/GHSA-xqq3-59h5-xhmr
vendor-advisory, advisory
-
vulncheck.com
/advisories/openemr-before-8.5.0-improper-authorization-in-clinical-rule-editor-patient-data-php
third-party-advisory
Sources
- CVE List CVE-2026-126438
- NVD CVE-2026-126438
- Maintainer advisory GHSA-xqq3-59h5-xhmr
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
The maintainers of openemr/openemr published their own advisory on GitHub. Reviewed sources take precedence over it.