FlowiseAI/Flowise · error · Error

Invalid SQLite path: UNC paths are not allowed

Error message

Invalid SQLite path: UNC paths are not allowed

What it means

Thrown by validateSQLitePath (packages/components/src/validator.ts:345) when the path matches ^\\\\[^\\] — a UNC path like '\\\\server\\share\\db.sqlite'. UNC paths can address arbitrary network locations, so Flowise forbids them.

Source

Thrown at packages/components/src/validator.ts:345

        }
        const bypassPath = userProvidedPath.trim()
        return path.isAbsolute(bypassPath) ? bypassPath : path.resolve(path.join(defaultDir, bypassPath))
    }

    if (!userProvidedPath || userProvidedPath.trim() === '') {
        throw new Error('Invalid SQLite path: database path is required')
    }

    const basePath = userProvidedPath.trim()

    if (basePath.includes('..')) throw new Error('Invalid SQLite path: path traversal attempt detected')
    if (basePath.toLowerCase().includes('%2e') || basePath.toLowerCase().includes('%2f') || basePath.toLowerCase().includes('%5c'))
        throw new Error('Invalid SQLite path: encoded path traversal attempt detected')
    // eslint-disable-next-line no-control-regex
    if (/\0/.test(basePath) || /[\x00-\x1f]/.test(basePath))
        throw new Error('Invalid SQLite path: null bytes or control characters detected')
    if (/^[a-zA-Z]:\\/.test(basePath)) throw new Error('Invalid SQLite path: Windows absolute paths are not allowed')
    if (/^\\\\[^\\]/.test(basePath)) throw new Error('Invalid SQLite path: UNC paths are not allowed')
    if (/^\\\\\?\\/.test(basePath)) throw new Error('Invalid SQLite path: extended-length paths are not allowed')

    const resolvedPath = path.isAbsolute(basePath) ? path.resolve(basePath) : path.resolve(path.join(defaultDir, basePath))

    if (resolvedPath.includes('..')) throw new Error('Invalid SQLite path: path traversal detected in resolved path')

    if (!isPathWithinAllowedSQLiteDirs(resolvedPath, allowedDirs)) {
        throw new Error(
            `Invalid SQLite path: path must be within allowed directories (${allowedDirs.join(', ')}). Attempted path: ${resolvedPath}`
        )
    }

    return resolvedPath
}

/**
 * Restricts SQL executed against a SQLite database opened via validateSQLitePath to a
 * single read-only SELECT/WITH statement.

View on GitHub (pinned to abe4a8601a)

Solutions

  1. Mount the share locally and use an allowed absolute path (under ~/.flowise or DATABASE_PATH).
  2. Copy the DB into ~/.flowise/ and use a plain filename.
  3. Set DATABASE_PATH to the mount point and keep the filename simple.

Example fix

// before
nodeParams.databasePath = '\\\\fileserver\\ai\\app.db'

// after
nodeParams.databasePath = 'app.db'   // DB copied to ~/.flowise/app.db
Defensive patterns

Strategy: validation

Validate before calling

if (/^\\\\[^\\]/.test(String(databasePath ?? ''))) throw new Error('UNC DB path not allowed; use a local mount');

Type guard

const isNotUnc = (p: unknown): p is string => typeof p === 'string' && !/^\\\\[^\\]/.test(p);

Try / catch

try { validateSQLitePath(databasePath) } catch (e) { if (e instanceof Error && /UNC paths/.test(e.message)) { throw new Error('mount the share and use a local path') } else throw e }

Prevention

When it happens

Trigger: A Database Path such as '\\\\fileserver\\ai\\app.db' or '\\\\localhost\\c$\\data\\db.sqlite' is supplied.

Common situations: Windows deployments keeping the DB on a network share; containers inheriting SMB-mounted configs; UNC-mapped drive copy-paste.

Related errors


AI-assisted analysis of FlowiseAI/Flowise@abe4a8601a (2026-08-12). Data as JSON: /api/errors/f6a2b1ea1517bd4d. Report an issue: GitHub.