CVE-2026-108604
Tabularis through 0.27.0 Read-Only Bypass via MCP run_query SELECT Classification
CVSS Score
6.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-863 |
| Vendor | tabularisdb |
| Product | tabularis |
| Published | Oct 10, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High
Affected Versions
TabularisDB / tabularis
0 ≤ 0.27.0
References
hackmd.io: https://hackmd.io/@haind/S1BofaIsMx github.com: https://github.com/TabularisDB/tabularis/blob/804c4c3bb6fd8eaa2e36cbe49f6c0d58f373b5e9/src-tauri/src/ai_activity.rs#L357-L416 github.com: https://github.com/TabularisDB/tabularis/blob/804c4c3bb6fd8eaa2e36cbe49f6c0d58f373b5e9/src-tauri/src/mcp/mod.rs#L1136-L1171 github.com: https://github.com/TabularisDB/tabularis vulncheck.com: https://www.vulncheck.com/advisories/tabularis-through-0.27.0-read-only-bypass-via-mcp-run-query-select-classification
Credits
HaiND from the Post and Telecommunication Institute of Technology