2026
MariaDBERRORCommonAccess ControlHIGH confidence
Table-level access denied
Production Risk
High — application cannot access required data.
What this means
The current user does not have the required privilege on the specified table. The error includes the operation (SELECT, INSERT, UPDATE, DELETE, etc.) and the table name.
Why it happens
- 1User lacks the required privilege (SELECT, INSERT, etc.) on the table.
- 2Privilege was granted at the database level but not the table level and was subsequently revoked.
- 3User authenticated from a host that has different privileges than expected.
How to reproduce
trigger — this will error
trigger — this will error
SELECT * FROM restricted_table; -- user lacks SELECT on this table
expected output
ERROR 2026 (42000): SELECT command denied to user 'app'@'localhost' for table 'restricted_table'.
Fix 1
Grant the required table-level privilege
Grant the required table-level privilege
GRANT SELECT ON mydb.restricted_table TO 'app'@'localhost';
Why this works
Explicitly granting the privilege allows the operation to proceed.
Fix 2
Review the user's current privileges
Review the user's current privileges
SHOW GRANTS FOR 'app'@'localhost';
Why this works
Identifies which privileges are missing.
What not to do
✕
Sources
Official documentation ↗
MySQL 8.0 — 2026 ER_TABLEACCESS_DENIED_ERROR
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