CVE-2026-126481

HIGHCVSS 8.1/10EPSS 0.53%

Last modified

CVE-2026-126481 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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.. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

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.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
openemropenemr< 8.5.0

References

Timeline

Published
Last Modified
Status
Undergoing Analysis

Frequently Asked Questions

What is CVE-2026-126481?
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.
How severe is CVE-2026-126481?
CVE-2026-126481 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.
How do I fix CVE-2026-126481?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST