Openemr
CVE-2026-126454: OpenEMR before 8.5.0 lacks rate limiting or lockout on TOTP submission, allowing attackers with a valid password to brute-force the 6-digit MFA code. Attackers
CVE-2026-126454 Nov 13, 2026 Source: Vendor
OpenEMR before 8.5.0 lacks rate limiting or lockout on TOTP submission, allowing attackers with a valid password to brute-force the 6-digit MFA code. Attackers can script repeated POST requests to main_screen.php or the OAuth2 authorization flow with re-submitted hidden credentials to bypass two-factor authentication.
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://nvd.nist.gov/vuln/detail/CVE-2026-126454
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CVE-2026-126454
BR2026-0000-048233
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Credited as PhilipPhil
CVE-2026-126454
BR2026-0000-048234
unclaimed
Credited as gracia-gu