HIGHCVSS v3.1 8.1Vulnerability

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 can script repeated POST requests to main_screen.php or the OAuth2 authorization flow with re-submitted hidden credentials to bypass two-factor authentication.

Properties

Severity
HIGH
Nvd fetched at
2026-11-14T00:40:25.638091+00:00
Epss score
0.00475
Cvss severity
HIGH
Cvss score
8.1
Retrieved at
2026-11-14T00:51:03+00:00
Last source
FIRST EPSS
Score
8.1
Cvss version
3.1
Cve id
CVE-2026-126454
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
First seen by Signal
2026-11-13T17:31:47+00:00
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Published at
2026-11-13T10:17:53.507
Last modified
2026-11-13T10:17:53.627
Epss percentile
0.41585

Related Entities (1)

Related research

Explore deeper with Ninja Signal's threat intelligence graph

CVE-2026-126454 (CVSS v3.1 8.1) — Ninja Signal Threat Intelligence | Ninja Signal