CVE-2026-124445 PUBLISHED

OpenEMR 7.0.1 before 8.4.0 OneTimeAuth Token Replay and PIN Brute Force

Assigner: VulnCheck
Reserved: 08.11.2026 Published: 08.11.2026 Updated: 08.11.2026

OpenEMR from 7.0.1 before 8.4.0 contains a flaw in src/Common/Auth/OneTimeAuth.php that ignores the enforce_onetime_use and max_access_count flags, never revokes consumed service_auth tokens, and checks login_pin without rate limiting or strict comparison. Attackers holding a captured token can replay it or brute-force the PIN to open patient-portal sessions exposing PHI.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 9.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	openemr
Product	openemr
Versions	Default: unaffected affected from 7.0.1 to 8.4.0 (excl.) Version 8.4.0 is unaffected

CVE-2026-124445 PUBLISHED

OpenEMR 7.0.1 before 8.4.0 OneTimeAuth Token Replay and PIN Brute Force

Metrics

Product Status

Credits

References

Problem Types