CVE-2026-108604
mediumTabularis 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.
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/TabularisDB/tabularis disclosure@vulncheck.com
- https://github.com/TabularisDB/tabularis/blob/804c4c3bb6fd8eaa2e36cbe49f6c0d58f373b5e9/src... disclosure@vulncheck.com
- https://github.com/TabularisDB/tabularis/blob/804c4c3bb6fd8eaa2e36cbe49f6c0d58f373b5e9/src... disclosure@vulncheck.com
- https://hackmd.io/@haind/S1BofaIsMx disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/tabularis-through-0.27.0-read-only-bypass-via-mcp-run... disclosure@vulncheck.com
- https://hackmd.io/@haind/S1BofaIsMx 134c704f-9b21-4f2e-91b3-4a467353bcc0