What is CVE-2026-124457?

CVE-2026-124457 is a high-severity vulnerability in Openemr, classified under Path Traversal. CVSS score: 7.6/10. Published 2026-11-08.

How severe is CVE-2026-124457?

High severity. CVSS v3 base score is 7.6 out of 10.

Path Traversal in Openemr

CVE-2026-124457

OpenEMR before 8.3.0 contains a path traversal vulnerability in interface/billing/sl_eob_process.php that allows authenticated users to write and read files by supplying unsanitized eraname values. Attackers without billing privileges can inject ../ sequences to create ERA report .html files anywhere the web user can write and parse arbitrary .edi files echoed into the report.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2026-11-08.

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Openemr

Weakness classification (CWE)

CWE-22 — Path Traversal

References

GitHub Security Advisory (GHSA-m6q6-5j87-3cmp) (vendor-advisory)
VulnCheck Advisory: OpenEMR before 8.3.0 Path Traversal via sl_eob_process.php eraname (third-party-advisory)

Frequently asked questions

What is CVE-2026-124457?: CVE-2026-124457 is a high-severity vulnerability in Openemr, classified under Path Traversal. CVSS score: 7.6/10. Published 2026-11-08.
How severe is CVE-2026-124457?: High severity. CVSS v3 base score is 7.6 out of 10.