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 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 v3 6.3 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.0 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/TabularisDB/tabularis
https://github.com/TabularisDB/tabularis/blob/804c4c3bb6fd8eaa2e36cbe49f6c0d58f373b5e9/src-tauri/src/ai_activity.rs#L357-L416
https://github.com/TabularisDB/tabularis/blob/804c4c3bb6fd8eaa2e36cbe49f6c0d58f373b5e9/src-tauri/src/mcp/mod.rs#L1136-L1171
https://hackmd.io/@haind/S1BofaIsMx
https://www.vulncheck.com/advisories/tabularis-through-0.27.0-read-only-bypass-via-mcp-run-query-select-classification
https://hackmd.io/@haind/S1BofaIsMx

Configurations

No configuration.

History

13 Oct 2026, 12:17

Type	Values Removed	Values Added
References	~~() https://hackmd.io/@haind/S1BofaIsMx -~~	() https://hackmd.io/@haind/S1BofaIsMx -

10 Oct 2026, 20:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-10 20:16

Updated : 2026-10-16 19:18

NVD link : CVE-2026-108604

Mitre link : CVE-2026-108604

CVE.ORG link : CVE-2026-108604

JSON object : View

Products Affected

No product.

CWE

CWE-863

Incorrect Authorization

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