November 14, 2026

CVE Watchtower

CVE-2026-124457openemr openemr Path Traversal

NVD

Vulnerability Summary

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.
Severity Level
HIGH(7.2)
Published Date
Nov 8, 2026
Last Modified
Nov 9, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.30%Probability
Root Weakness (CWE)
CWE-22: Path Traversal ↗
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory.
CVSS v4.0 Base Metrics — Score 7.2 (HIGH)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N
Attack VectorNetwork
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredLow
User InteractionNone
Confidentiality (Vulnerable System)Low
Integrity (Vulnerable System)High
Availability (Vulnerable System)Low
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None
Show CVSS v3.x metrics (score 7.6)
CVSS v3.1 Base Metrics — Score 7.6 (HIGH)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityLow
IntegrityHigh
AvailabilityLow

Affected & Patched Versions

Affected Versions
  • openemr openemr < 8.3.0
Patched Versions
  • openemr openemr 8.3.0

What to do

Plan remediation soon. No exploitation is confirmed yet, but the severity is high.

  1. Check whether you run openemr openemr and which version.
  2. Update to a patched version listed above, then confirm the new version.

Timeline

  • Nov 8, 2026Published
  • Nov 9, 2026Record last modified

Score, severity and exploitation changes are tracked from the day Watchtower started logging them.

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External References

Data last checked: Nov 14, 2026 02:13 UTC