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.
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Fixes
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Workaround
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References
History
Sat, 10 Oct 2026 20:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | Tabularis through 0.27.0 Read-Only Bypass via MCP run_query SELECT Classification | |
| Weaknesses | CWE-863 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-10-10T19:54:37.564Z
Reserved: 2026-10-10T19:06:44.591Z
Link: CVE-2026-108604
No data.
Status : Received
Published: 2026-10-10T20:16:32.947
Modified: 2026-10-10T20:16:32.947
Link: CVE-2026-108604
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OpenCVE Enrichment
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Weaknesses