PatchTheCVECVE-2026-34055: OpenEMR is a free and open source electronic health records and medical practice management application
CVE-2026-34055 is a high-severity flaw (CVSS 8.1) affecting openemr. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0.3, the legacy patient notes functions in `library/pnotes.inc.php` perform updates and deletes using `WHERE id = ?` without verifying that the note belongs to a patient the user is authorized to access. Multiple web UI callers pass user-controlled note IDs directly to these functions. This is the same class of vulnerabili
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.1 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 80%) |
| CISA exploited list | No |
| Weakness | CWE-639 |
| Published | 2026-03-26 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-34055?
openemr: upgrade to 8.0.0.3. Exact commands for each OS are on this page.
Is CVE-2026-34055 being exploited?
CVE-2026-34055 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-34055 affect?
CVE-2026-34055 affects openemr. Severity is high (CVSS 8.1). OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0.3, the legacy patient notes functions in `library/pnotes.inc.php` perform updates and deletes using `WHERE id =
How urgent is CVE-2026-34055?
Priority 33/100. High severity
Software pages
Related CVEs
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