sqlmapproject/sqlmap · error · SqlmapUnsupportedFeatureException

feature not yet implemented for the back-end DBMS

Error message

feature not yet implemented for the back-end DBMS

What it means

Error "feature not yet implemented for the back-end DBMS" thrown in sqlmapproject/sqlmap.

Source

Thrown at lib/takeover/abstraction.py:144

            if Backend.isDbms(DBMS.PGSQL) and self.checkCopyExec():
                infoMsg = "going to use 'COPY ... FROM PROGRAM ...' "
                infoMsg += "command execution"
                logger.info(infoMsg)

            elif Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
                infoMsg = "going to use injected user-defined functions "
                infoMsg += "'sys_eval' and 'sys_exec' for operating system "
                infoMsg += "command execution"
                logger.info(infoMsg)

            elif Backend.isDbms(DBMS.MSSQL):
                infoMsg = "going to use extended procedure 'xp_cmdshell' for "
                infoMsg += "operating system command execution"
                logger.info(infoMsg)

            else:
                errMsg = "feature not yet implemented for the back-end DBMS"
                raise SqlmapUnsupportedFeatureException(errMsg)

            infoMsg = "calling %s OS shell. To quit type " % (Backend.getOs() or "Windows")
            infoMsg += "'x' or 'q' and press ENTER"
            logger.info(infoMsg)

        autoCompletion(AUTOCOMPLETE_TYPE.OS, OS.WINDOWS if Backend.isOs(OS.WINDOWS) else OS.LINUX)

        while True:
            command = None

            try:
                command = _input("os-shell> ")
                command = getUnicode(command, encoding=sys.stdin.encoding)
            except UnicodeDecodeError:
                pass
            except KeyboardInterrupt:
                print()
                errMsg = "user aborted"

View on GitHub (pinned to 0a35b20e39)

When it happens

Trigger: Thrown at lib/takeover/abstraction.py:144 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of sqlmapproject/sqlmap@0a35b20e39 (2026-08-26). Data as JSON: /api/errors/5c44c90e10b09eac. Report an issue: GitHub.