CVE-2026-126487 — Openemr
HIGHCVE-2026-126487 is a high-severity (CVSS 8.8) Improper Privilege Management vulnerability. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.
OpenEMR before 8.5.0 contains an authorization bypass vulnerability that allows authenticated users to override system-wide global configuration values by storing global-prefixed keys…
Description
OpenEMR before 8.5.0 contains an authorization bypass vulnerability that allows authenticated users to override system-wide global configuration values by storing global-prefixed keys through library/ajax/user_settings.php. Attackers can submit lab or target parameters with global: prefixed setting names to disable audit logging, weaken password policies, or alter security-sensitive settings persistently for their sessions.
Detection & mitigation playbook
VulnerabilityDetect
Identify every host running the affected component and compare the installed build against the fixed version below — for source-built or distro-packaged software the version string, not a lockfile, is the source of truth (`dpkg -l`, `rpm -q`, or the binary's own `--version`).
Remediation status
The records we use list no fixed release for CVE-2026-126487. Check the upstream advisory for a patched version, and apply the exposure-reduction steps below in the meantime.
Mitigate without a patch
Close the privilege gap rather than the entry point: audit which accounts, roles and service identities can reach the affected operation, drop the component to the least privilege it actually needs, and review file and directory permissions created by earlier installs — a default left in place is what makes this reachable.
Frequently Asked Questions
Is CVE-2026-126487 in your dependencies?
Find it across your dependency tree, including transitive dependencies.