Is CVE-2026-54598 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-54598?

CVE-2026-54598 has a CVSS v3 severity of HIGH (7.5).

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CVE-2026-54598

Description

Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.9.4, endpoints/db/migrate.php executes database schema migrations when called over HTTP with zero authentication. Any unauthenticated attacker can trigger pending migration files against the live SQLite database. This issue has been patched in version 4.9.4.