CVE-2026-108604: Tabularisdb Tabularis

Medium severity, CVSS 6.3.

Tabularis through 0.27.0 contains an incorrect authorization vulnerability in the MCP run_query safety gate that allows prompt-injected agents or untrusted MCP clients to bypass read-only mode by submitting side-effecting SELECT statements. Attackers can run statements like SELECT setval, nextval, or PostgreSQL query_to_xml with embedded DELETE to modify data without approval prompts.

Affected products

• Tabularisdb Tabularis: up to and including 0.27.0

Published 2026-10-10. Last modified 2026-10-10.