sqlmapproject/sqlmap · error · SqlmapGenericException

error occurred while checking dependencies for tamper module

Error message

error occurred while checking dependencies for tamper module '%s' ('%s')

What it means

Error "error occurred while checking dependencies for tamper module '%s' ('%s')" thrown in sqlmapproject/sqlmap.

Source

Thrown at lib/core/option.py:939

                            resolve_priorities = False
                        elif choice == 'Q':
                            raise SqlmapUserQuitException
                        else:
                            resolve_priorities = True

                        check_priority = False

                    priorities.append((priority, function))
                    last_priority = priority

                    break
                elif name == "dependencies":
                    try:
                        function()
                    except Exception as ex:
                        errMsg = "error occurred while checking dependencies "
                        errMsg += "for tamper module '%s' ('%s')" % (getUnicode(filename[:-3]), getSafeExString(ex))
                        raise SqlmapGenericException(errMsg)

            if not found:
                errMsg = "missing function 'tamper(payload, **kwargs)' "
                errMsg += "in tamper script '%s'" % script
                raise SqlmapGenericException(errMsg)

        if kb.tamperFunctions and len(kb.tamperFunctions) > 3:
            warnMsg = "using too many tamper scripts is usually not "
            warnMsg += "a good idea"
            logger.warning(warnMsg)

        # tamper scripts rewrite SQL injection payloads; the self-contained non-SQL engines do not run
        # payloads through the tampering hook, so warn instead of silently ignoring the user's
        # '--tamper'. One tuple drives both the test and the name lookup - keeping two lists in step is
        # exactly how this raised StopIteration, and leaving an engine OUT (as '--hql' was) is how the
        # warning silently stops covering one.
        _nonSqlEngines = ("graphql", "nosql", "ldap", "xpath", "ssti", "xslt", "xxe", "hql", "sparql", "odata")
        if kb.tamperFunctions and any(conf.get(_) for _ in _nonSqlEngines):

View on GitHub (pinned to 0a35b20e39)

When it happens

Trigger: Thrown at lib/core/option.py:939 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/a454166fdb095ad9. Report an issue: GitHub.