{"id":"CVE-2026-108604","title":"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 statemen…","summary":"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 statemen…","severity":"medium","cvss":6.3,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H","cwe":["CWE-863"],"vendor":"TabularisDB","product":"tabularis","affected":["tabularis <= 0.27.0"],"published":"2026-10-10","updated":"2026-10-16","sourceUpdated":"2026-10-16T19:18:44.867","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-108604","references":[{"url":"https://github.com/TabularisDB/tabularis","label":"disclosure@vulncheck.com"},{"url":"https://github.com/TabularisDB/tabularis/blob/804c4c3bb6fd8eaa2e36cbe49f6c0d58f373b5e9/src-tauri/src/ai_activity.rs#L357-L416","label":"disclosure@vulncheck.com"},{"url":"https://github.com/TabularisDB/tabularis/blob/804c4c3bb6fd8eaa2e36cbe49f6c0d58f373b5e9/src-tauri/src/mcp/mod.rs#L1136-L1171","label":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haind/S1BofaIsMx","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/tabularis-through-0.27.0-read-only-bypass-via-mcp-run-query-select-classification","label":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haind/S1BofaIsMx","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.002,"epssPercentile":0.09702,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"total","timestamp":"2026-10-13T11:47:46.539144Z"},"ingestedAt":"2026-10-10T20:31:30.635Z","slug":"CVE-2026-108604","body":"## Overview\n\nTabularis 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":47,"depthScoreParts":{"impact":34.7,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":220826,"id":"CVE-2026-108604","ts":1792026841699,"field":"exploit_available","old":"false","new":"true"}]}