CVE-2026-108604

Tabularis versions through 0.27.0 are vulnerable to an incorrect authorization vulnerability in the MCP run_query safety gate . This flaw allows prompt-injected agents or untrusted MCP clients to bypass read-only mode by submitting side-effecting SELECT statements. Specifically, attackers can exe...

CVE-2026-108604 Tabularis through 0.27.0 Read-Only Bypass via MCP run_query SELECT Classification

Tabularis through 0.27.0 contains an incorrect authorization vulnerability in the MCP runquery 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,...

Tabularis authorization issue vulnerabilities

Tabularis versions 0.27.0 and earlier have an authorization issue vulnerability. This vulnerability stems from improper authorization in the MCP runquery security gate. Attackers can bypass the read-only mode by submitting SELECT statements with side effects, allowing them to modify data without...