CVE-2026-124471 OpenEMR before 8.3.0 Missing Authorization and IDOR via sl_eob_invoice.php
High 8.6
Published
Updated
Check this codebase for CVE-2026-124471 and fix it if it is affected.
What it is: CVE-2026-124471 is a high-severity vulnerability in openemr, published on 8 Nov 2026.
Exploitation: There is no known exploitation of CVE-2026-124471 in the wild and no public exploit code.
Affected product: openemr. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2026-124471/ (Markdown: https://insights.sbomify.com/CVE-2026-124471/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-124471?
CVE-2026-124471 is a high-severity vulnerability in openemr, published on 8 Nov 2026.
Official description
OpenEMR before 8.3.0 contains a missing authorization vulnerability in interface/billing/sl_eob_invoice.php that allows any authenticated user to read and modify billing data for any encounter. Attackers can iterate the id parameter to read patient names and billing notes, and post payments, adjustments, deletions, or billing notes against any patient's account.
Weakness: CWE-639
Which versions are affected by CVE-2026-124471?
How do I fix CVE-2026-124471?
No fix has been published for CVE-2026-124471 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-124471 being exploited?
There is no known exploitation of CVE-2026-124471 in the wild and no public exploit code.
Sources
Also known as GHSA-55gc-5wj7-xxp7, GHSA-pj2w-4q83-hqcg.