VULNERABILITY INTELLIGENCE
CVE-2026-108604
CVSS score5.8 MEDIUM
EPSS probability0.20%
CISA KEVNot currently listed
Published2026-10-10
Last modified2026-10-16
CVSS vectorCVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
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.
Weakness classification
- CWE-863: Incorrect Authorization