CVE-2026-48881: Security Advisory

CVE: CVE-2026-48881 CVSS 9.1

CVE-2026-48881 is a critical-severity vulnerability (CVSS 9.1).

Summary

Unauthenticated Broken Access Control in TrueBooker <= 1.1.9 versions.

Remediation

Apply the vendor’s update during your next patch window and verify exposure. Patch-management tools that can deploy and verify the fix include Action1, Automox, ManageEngine Patch Manager Plus, ManageEngine Endpoint Central. See our best patch management ranking.

Sources

https://patchstack.com/database/wordpress/plugin/truebooker-appointment-booking/vulnerability/wordpress-truebooker-plugin-1-1-9-broken-access-control-vulnerability?_s_id=cve

Data as of June 16, 2026. Sources: nvd.nist.gov, patchstack.com. Figures are pulled from public vendor and security data and refreshed automatically.