MEDIUM 5.8 NVD
CVE-2026-108604
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
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.
References
- https://github.com/TabularisDB/tabularis
- https://github.com/TabularisDB/tabularis/blob/804c4c3bb6fd8eaa2e36cbe49f6c0d58f373b5e9/src
- https://github.com/TabularisDB/tabularis/blob/804c4c3bb6fd8eaa2e36cbe49f6c0d58f373b5e9/src
- https://hackmd.io/@haind/S1BofaIsMx
- https://www.vulncheck.com/advisories/tabularis-through-0.27.0-read-only-bypass-via-mcp-run
This medium severity vulnerability with a CVSS score of 5.8 was published on 2026-10-10 via NVD.
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