CVE-2026-126441 json
OpenEMR before 8.5.0 IDOR via CAMOS rx_print.php Prescription Disclosure
published 18d ago modified 2d ago also EUVD-2026-125002 , GHSA-gf9c-4hh8-gh49
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
- 5.3
- 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 14%
- public exploits
- 0
- none known
Summary
OpenEMR before 8.5.0 contains an insecure direct object reference vulnerability in the CAMOS rx_print.php printer that allows authenticated users to read other patients' prescriptions. Attackers can submit forged chrx_ parameters with global prescription IDs to disclose drug names, dosages, directions, and refill counts without medication permissions.
Patch / fix
- openemr openemr 8.5.0
Is CVE-2026-126441 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
0.23% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-14).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 6.0 | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
| CNA | 4.0 | 6.0 | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/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 | 5.3 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
Affected products
- openemr openemr
Classification
- Weakness
-
- CWE-639 Authorization Bypass Through User-Controlled Key
References
-
github.com
/openemr/openemr/security/advisories/GHSA-gf9c-4hh8-gh49
vendor-advisory, advisory
-
vulncheck.com
/advisories/openemr-before-8.5.0-idor-via-camos-rx-print-php-prescription-disclosure
third-party-advisory
Sources
- CVE List CVE-2026-126441
- NVD CVE-2026-126441
- Maintainer advisory GHSA-gf9c-4hh8-gh49
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.