Critical PHI exposure in a widely deployed EMR (OpenEMR); token replay and PIN brute-force can enable patient-portal takeover and regulatory-impacting data breaches.
CVE-2026-124445
OpenEMR token replay and PIN brute-force allows patient-portal takeover and PHI exposure.
do firstUpgrade to a fixed release: 8.4.0.
Is CVE-2026-124445 being exploited?
Not confirmed. CVE-2026-124445 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked.
How severe is CVE-2026-124445?
CVE-2026-124445 is rated Critical with a CVSS score of 9.3. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-124445?
Yes. A fix has been recorded for CVE-2026-124445. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-124445 affect?
CVE-2026-124445 affects OpenEMR 7.0.1 to before 8.4.0, Patient portal OneTimeAuth component (src/Common/Auth/OneTimeAuth.php). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-124445?
Revoke existing tokens, enforce rate limiting/strict PIN checks, isolate affected instances, apply vendor patch/upgrade when published.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Attackers can replay non-revoked one-time tokens or brute-force PINs to open patient-portal sessions and access PHI.
Immediate action required
- affected>= 7.0.1 and < 8.4.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.
timeline
- 8 Nov 2026Published
- 8 Nov 2026CVE record last updated · same day later
- 8 Nov 2026Analysed by vulneraibility.com · same day later
- Advisorygithub.com /openemr/openemr/security/advisories/GHSA-xg3m-9pfq-c8r6
- Advisoryvulncheck.com /advisories/openemr-7.0.1-before-8.4.0-onetimeauth-token-replay-and-pin-brute-fo
sources
- CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
- NVD: CVSS and CPE data
- FIRST EPSS: exploit probability and percentile
- Summary, impact and triage tags: written by our AI analysis pipeline from the sources above. Check them against the sources.