Vikunja is an open-source self-hosted task management platform. Prior to version 2.0.0, the application allows users to set weak passwords (e.g., 1234, password) without enforcing minimum strength requirements. Additionally, active sessions remain valid after a user changes their password. An attacker who compromises an account (via brute-force or credential stuffing) can maintain persistent access even after the victim resets their password. Version 2.0.0 contains a fix.
Use CWE-521, Vikunja vendor hub and Vikunja product page to widen CVE-2026-27575 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2026-35595, CVE-2026-34727 and CVE-2026-33700 for nearby disclosures in the same product family.