CVE-2026-88893: Openpanel-Dev Openpanel

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

OpenPanel through 2.3.0 share lookup procedures fail to validate access controls and return password hashes and protected report definitions to unauthenticated callers. Attackers with a share link can retrieve argon2id password hashes and full report configurations including event names, filters, and breakdown dimensions for offline password cracking and business intelligence theft.

Affected products

• Openpanel-Dev Openpanel: up to and including 2.3.0

Published 2026-09-10. Last modified 2026-10-02.