CVE-2026-126481

Description

OpenEMR before 8.5.0 contains a path traversal vulnerability in era_payments.php and sl_eob_search.php that allows authenticated billing users to write files outside the ERA directory. Attackers can embed traversal sequences in the GS04 element of an uploaded X12 835 file to overwrite .edi or .835 files with attacker-controlled content anywhere writable by the web server.

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

• 7.2CVSS 4.0, Highfrom the CNA (VulnCheck)CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
• 8.1CVSS 3.1, Highfrom the CNA (VulnCheck)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

Timeline

1. 13 Nov 2026 Published

Weakness

• CWE-22

References

• GitHub Security Advisory (GHSA-mf55-7h68-r2rp)vendor-advisory
• VulnCheck Advisory: OpenEMR before 8.5.0 Path Traversal via ERA 835 File Uploadthird-party-advisory